Phoenix Mars Lander.

3488 · May 21, 2008

MRO context camera with overlaid contours of the Phoenix landing ellipse.http://img143.imageshack.us/my.php?image=phoenixprelandingbasealxe2.jpg <img src="http://sitelife.space.com/ver1.0/Content/images/store/12/8/3c8eecd7-25bc-43cc-881f-9cca117e4734.Medium.jpg" alt="" />Landing Countdown. Days: 4 Hours: 1 Minutes: 51 Seconds: 15 Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

rybanis · May 21, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'>MRO context camera with overlaid contours of the Phoenix landing ellipse.http://img143.imageshack.us/my.php?image=phoenixprelandingbasealxe2.jpgLanding Countdown.Days: 4Hours: 1Minutes: 51Seconds: 15Andrew Brown. Posted by 3488</DIV> The excitement is really starting to build in my mind. I'd love to see another powered landing on Mars. We really need to get that down, consistantly.  <div class="Discussion_UserSignature"> </div>

3488 · May 22, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'> The excitement is really starting to build in my mind. I'd love to see another powered landing on Mars. We really need to get that down, consistantly.  Posted by rybanis</DIV>It is getting a bit nervous now, but whatever, will be, will be. At least if this goes wrong, we will know why fairly quickly as the EDL is being monitored.Landing Countdown. Days: 3 Hours: 16 Minutes: 18 Seconds: 30 Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

MeteorWayne · May 22, 2008

For those who are interested, a reminder NASA TV will have a news conference in a few hours at 2:30 PM EDT, 11:30 AM PDT, 16:30 UTC.<div id="post-240812" class="postcolor">From Yesterday's Phoenix Blog.... "It’s now Wednesday, and Phoenix is fast approaching Mars. In fact, if you were hitching a ride on Phoenix, right now Mars would look about a third the size of the full moon viewed from Earth." Currently Mars' gravitational attraction is 3.2% that of the sun. Approach speed is up to 9648 km/hr. About 5.7 million km to go. BTW, these stats are from Daniel Muller's live page (mentioned earlier in this thread) at: http://www.dmuller.net/phoenix/scet.php Time to landing 3 days 7 hours 52 minutes Of course we'll hear about it 15 minutes later when the radio signals get here....at the speed of light. </div>http://www.dmuller.net/phoenix/scet.php <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

CalliArcale · May 22, 2008

Oh sweet.  I like that kind of visual reference -- Mars appearing 1/3 the size of the full moon as viewed from Earth.  I'm so excited about this weekend.  It's just a pity I won't be around a television or computer at the appropriate time.  (Going on vacation.) <div class="Discussion_UserSignature"> "People assume that time is a strict progression of cause to effect, but actually from a non-linear, non-subjective viewpoint it's more like a big ball of wibbly wobbly . . . timey wimey . . . stuff." -- The Tenth Doctor, "Blink" </div>

MeteorWayne · May 22, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'>Oh sweet.  I like that kind of visual reference -- Mars appearing 1/3 the size of the full moon as viewed from Earth.  I'm so excited about this weekend.  It's just a pity I won't be around a television or computer at the appropriate time.  (Going on vacation.) Posted by CalliArcale</DIV> News conference underway, though it ain't working for me at the moment. <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

3488 · May 22, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'>News conference underway, though it ain't working for me at the moment. Posted by MeteorWayne</DIV>Hi Wayne, I missed it also, could not get it.However I got this:MEDIA RELATIONS OFFICE JET PROPULSION LABORATORY CALIFORNIA INSTITUTE OF TECHNOLOGY NATIONAL AERONAUTICS AND SPACE ADMINISTRATION PASADENA, CALIF. 91109 TELEPHONE 818-354-5011 http://www.jpl.nasa.gov Guy Webster 818-354-6278/5011 Jet Propulsion Laboratory, Pasadena, Calif. guy.webster@jpl.nasa.gov Dwayne Brown 202-358-1726 NASA Headquarters, Washington dwayne.c.brown@nasa.gov STATUS REPORT: 2008-079       May 22, 2008 Phoenix Spacecraft on Course for May 25 Mars Landing PASADENA, Calif. -- With three days and 3 million miles left to fly before arriving at Mars, NASA's Phoenix spacecraft is on track for its destination in the Martian arctic. "The latest calculation from our navigation team shows the center of the area where we're currently headed lies less than eight miles from the center of our target area," said Barry Goldstein, Phoenix project manager at NASA's Jet Propulsion Laboratory, Pasadena, Calif. "We may decide on Saturday that we don't need to use our final opportunity for fine tuning the trajectory Phoenix is on.  Either way, we will continue to monitor the trajectory throughout Saturday night, on the off chance we need to execute our contingency maneuver eight hours before entry." The spacecraft is in fine health. "All systems are nominal and stable," said Ed Sedivy, Phoenix spacecraft program manager for Lockheed Martin Space Systems, Denver, which built the spacecraft. "We have plenty of propellant, the temperatures look good and the batteries are fully charged." The spacecraft is closing in on the scariest seven minutes of the mission. On Sunday, shortly after the annual 500-mile race at the Indianapolis Motor Speedway, Phoenix will be approaching Mars at about 12,750 miles per hour, a speed that could cover 500 miles in 2 minutes and 22 seconds. After it enters the top of the Martian atmosphere at that velocity, it must use superheated friction with the atmosphere, a strong parachute and a set of pulsing retrorockets to achieve a safe, three-legged standstill touchdown on the surface in just seven minutes. The earliest possible time when mission controllers could get confirmation from Phoenix indicating it has survived landing will be at 4:53 p.m. Pacific Time on Sunday (7:53 p.m. Eastern Time). Of 11 previous attempts that various nations have made to land spacecraft on Mars, only five have succeeded. Phoenix will land farther north on Mars than any previous mission, at a site expected to have ice-rich permafrost beneath the surface, but within reach of the lander's robotic arm. "Last instructions were given to the science team at our final meeting at the University of Arizona Tuesday," said Phoenix Principal Investigator Peter Smith of the University of Arizona, Tucson. "This week, we are conducting our dress rehearsal before opening night on Sunday." The science team is slowly adjusting to working on Mars time, in which each day lasts 24.66 hours, in preparation for a demanding mission.  Smith said, "We are ready to robotically operate our science lab in the Martian arctic and dig through the layers of history to the ice-rich soil below." Phoenix is equipped to study the history of the water now frozen into the site's permafrost, to check for carbon-containing chemicals that are essential ingredients for life, and to monitor polar-region weather on Mars from a surface perspective for the first time. The Phoenix mission is led by Smith at the University of Arizona with project management at JPL and development partnership at Lockheed Martin. International contributions come from the Canadian Space Agency; the University of Neuchatel, Switzerland; the universities of Copenhagen and Aarhus, Denmark; Max Planck Institute, Germany; and the Finnish Meteorological Institute. For more about Phoenix, visit: http://www.nasa.gov/phoenix and http://phoenix.lpl.arizona.edu . - end - ---------------------------------------------------------------------------------------------------------------------------Landing Countdown. Days: 3 Hours: 3 Minutes: 23 Seconds: 00 Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · May 22, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'>Oh sweet.  I like that kind of visual reference -- Mars appearing 1/3 the size of the full moon as viewed from Earth.  I'm so excited about this weekend.  It's just a pity I won't be around a television or computer at the appropriate time.  (Going on vacation.) Posted by CalliArcale</DIV>Hi Calli,Mars is as of 22:00 UTC, 32' or approx half a degree across now, as seen from Phoenix, or about the size as the Moon appears from Earth.http://img248.imageshack.us/my.php?image=wspacedc9.jpg <img src="http://sitelife.space.com/ver1.0/Content/images/store/0/12/f08d07aa-d32a-4707-bc17-5fe9baef36d0.Medium.jpg" alt="" /> http://sitelife.space.com/ver1.0/Forums/#Days: 3 Hours: 1 Minutes: 44 Seconds: 15 Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

JonClarke · May 22, 2008

I will be watching it on the big screen at the Tidbinbilla tracking station's visitor's centre.  This will be my third Mars landing there.Jon <div class="Discussion_UserSignature"> Whether we become a multi-planet species with unlimited horizons, or are forever confined to Earth will be decided in the twenty-first century amid the vast plains, rugged canyons and lofty mountains of Mars Arthur Clarke </div>

rybanis · May 22, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'>Hi Calli,Mars is as of 22:00 UTC, 32' or approx half a degree across now, as seen from Phoenix, or about the size as the Moon appears from Earth.http://img248.imageshack.us/my.php?image=wspacedc9.jpgDays: 3Hours: 1Minutes: 44Seconds: 15Andrew Brown. Posted by 3488</DIV> What site is that? I love seeing that view of Mars getting closer (watched it when the MERs were on approach). I can't, for the life of me, remember where it is.  <div class="Discussion_UserSignature"> </div>

3488 · May 22, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'> What site is that? I love seeing that view of Mars getting closer (watched it when the MERs were on approach). I can't, for the life of me, remember where it is.  Posted by rybanis</DIV>Hi rybanis. I tried copying the link over, but it will not copy. To find it, go onto the JPL site, then find Useful Links, approx half way down, next to the Current Missions dropdown. Click on the dropdown arrow & Solar System Simulator is on the list. Select that & you are in. Choose, view of Mars from Phoenix Spacecraft. I use the 45 degree option. Also this can be used for simulate dviews from several solar system missions, including MESSENGER & Cassini.Replying to: <DIV CLASS='Discussion_PostQuote'>I will be watching it on the big screen at the Tidbinbilla tracking station's visitor's centre.  This will be my third Mars landing there. Jon Posted by jonclarke</DIV>Hi Jon. You are so very lucky. In fact you will be one of the very first to know if the landing was successful. Which other two Mars landings have you witnessed there? I expect that you too are a bit anxious about this. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

MeteorWayne · May 23, 2008

From the landing blog:One excellent question that came through in the comments was whether any of the orbiters already at Mars will try to take an image of Phoenix during EDL. I had heard rumors of this recently, and confirmed with our Project System Engineer that the decision was made last week that the Mars Reconnaissance Orbiter will attempt to take a picture of Phoenix using its HiRISE (High Resolution Imaging Experiment) camera during the parachute phase of EDL (when our parachute is deployed as we descend to the surface). However this is an extremely tricky task with a lot of variables, not the least of which are an uncertainty surrounding the pointing accuracy of camera itself, the uncertainty of knowingly exactly where Phoenix is in the sky, and the timing of taking the picture at just the right moment in order to capture Phoenix in the image frame. Hence estimates suggest that there may only be a 25% chance that we can capture an image of Phoenix during the parachute phase. <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

abq_farside · May 23, 2008

Landing Countdown Days: 2 Hours: 9 Minutes: 5 Seconds: 00Where is Phoenix Now? <div class="Discussion_UserSignature"> Don't let who you are keep you from becoming who you want to be! </div>

abq_farside · May 23, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'>Landing Countdown Days: 2Hours: 9Minutes: 5Seconds: 00Where is Phoenix Now? Posted by abq_farside</DIV> NASA TV Coverage begins 6:30 ET/3:30 PTLanding at approximately 7:53 pmv ET/ 4:53 PT<img src="http://sitelife.space.com/ver1.0/content/scripts/tinymce/plugins/emotions/images/smiley-cool.gif" border="0" alt="Cool" title="Cool" />  <div class="Discussion_UserSignature"> Don't let who you are keep you from becoming who you want to be! </div>

MeteorWayne · May 23, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'>NASA TV Coverage begins 6:30 ET/3:30 PTLanding at approximately 7:53 pmv ET/ 4:53 PT  Posted by abq_farside</DIV> pmv? <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

MeteorWayne · May 23, 2008

Phoenix continues to fall deeper into Mars' gravity will. As of 11 AM, the strength of Mars' gravity is 6.3% of that of the sun. Phoenix is about 561,600 km above the surface (~ 1.5 times the distance to the moon for us) and has abour 4 million km (~2.5 million miles) to go. Current velocity approaching Mars is 9678 km/hr (2.7 km/sec, or a bit over 6000 mph) 2 days, 8 hours, 38 minutes Note that abq is giving landing times based on earth received time, I am using actual landing time figures. Both are valid ways to look at it. <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

centsworth_II · May 23, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'>Note that abq is giving landing times based on earth received time, I am using actual landing time figures. Both are valid ways to look at it. Posted by MeteorWayne</DIV> As pointed out in the last press briefing, when Earth receives confirmation of Phoenix's separation from its cruise stage, the lander will have been on the surface for about one minute.  So the entire time we are following the entry into the Mars atmosphere and landing, Phoenix will actually be on the surface. <div class="Discussion_UserSignature"> </div>

MeteorWayne · May 23, 2008

1PM EDT. Altitude above Mars 541,000 km, about 1.41 earth -moon distance. Mars' gravity is now 6.7% that of the sun. As you can see from the image attached (view from above at 1PM EDT, both objects moving left to right), Phoenix is actually ahead of Mar in it's orbit. So while the speed toward Mars continues to increase due to it's gravity, Mars is actually stealing energy from Phoenix relative to the sun. As a result, Phoenix's solar orbital speed is decreasing. This normally would cause Phoenix to begin to spiral into the sun, but since now Mars is influencing the path, Mars and Phoenix will intercept each other. 1 PM EDT approach velocity to Mars is now 9681 km/Hr. <img src="http://sitelife.space.com/ver1.0/Content/images/store/3/4/c3c2494f-4624-43c6-84f9-6f4320fb7bdb.Medium.jpg" alt="" /> <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

MeteorWayne · May 23, 2008

Just as a side note, Mars will be between 20 and 40 degrees above the western horizon at your local 10 PM daylight time. It is in the constellation Cancer, not far from the Beehive cluster. A nice binocular sight, since they will be in the same field of view. Mars is about the same brightness as Castor and Pollux, below and to the right (For the Northern Hemisphere) and Regulus, Leo's brightest star above and to the left, Saturn is brighter, right next to Regulus. So you can peek tonight at the place where all this action will take place during the next 2 days. MW <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

derekmcd · May 23, 2008

Time to tighten your boot straps Andrew... it's getting close.  I wasn't aware we we've only been successsful 5 of the last 11. Here's to batting .500 after Sunday. <img src="http://sitelife.space.com/ver1.0/Content/images/store/13/9/fd188736-a4c8-45d5-b9e2-cf3e502c7fe8.Medium.gif" alt="" /> <div class="Discussion_UserSignature"> <div> </div> <div>"If something's hard to do, then it's not worth doing." - Homer Simpson</div> </div>

rybanis · May 23, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'>Time to tighten your boot straps Andrew... it's getting close.  I wasn't aware we we've only been successsful 5 of the last 11. Here's to batting .500 after Sunday. Posted by derekmcd</DIV> I should be getting together with my dad to watch the coverage on Sunday. Heres hoping for success. <div class="Discussion_UserSignature"> </div>

3488 · May 23, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'>1PM EDT.Altitude above Mars 541,000 km, about 1.41 earth -moon distance. Mars' gravity is now 6.7% that of the sun. As you can see from the image attached (view from above at 1PM EDT, both objects moving left to right), Phoenix is actually ahead of Mar in it's orbit. So while the speed toward Mars continues to increase due to it's gravity, Mars is actually stealing energy from Phoenix relative to the sun. As a result, Phoenix's solar orbital speed is decreasing. This normally would cause Phoenix to begin to spiral into the sun, but since now Mars is influencing the path, Mars and Phoenix will intercept each other. 1 PM EDT approach velocity to Mars is now 9681 km/Hr. Posted by MeteorWayne</DIV> Thank you very much for your updates Wayne. I have not really been able to do much on here today. Anyway, I am very grateful for your updates, very much appreciated. <img src="http://sitelife.space.com/ver1.0/Content/images/store/3/15/23485a50-1a6b-4a71-8f12-716644f67bc0.Medium.gif" alt="" /> I'm back home now. So beware, I may come out with much piffle over the weekend as Phoenix rapidly approaches Mars. <img src="http://sitelife.space.com/ver1.0/Content/images/store/5/8/e5e6a667-0fe4-4daf-9871-13e42ed5044d.Medium.gif" alt="" />Replying to: <DIV CLASS='Discussion_PostQuote'>Time to tighten your boot straps Andrew... it's getting close.  I wasn't aware we we've only been successsful 5 of the last 11. Here's to batting .500 after Sunday. Posted by derekmcd</DIV>I know Derek, it's scary ain't it. I know that the American success rate with landings on Mars is pretty good, 5 out od 6 being successful, 84% success rate. But over all including Soviet efforts, it is a dismal record, but I'm quietly confident that Phoenix will be OK, given the prelaunch testing & extremely close monitoring & continual testing during the interplanetary cruise, but it's still bloody scary though. Its reality that Phoenix may crash, I know that intellectually, but it is still a horrible sickening thought that could happen. Instead she may land completely successfully & the elation will be quite something & will take a while to sink in, like Pathfinder, the MERs, MESSENGER's Mercury encounter, New Horizons @ Jupiter, etc, all turned out far superior to expectations, lets hope Phoenix continues that trend. Below, view from Phoenix of Mars, now nearly 47' across @ 21:55 UTC on: Friday 23rd May 2008.Note how Mars appears to remain almost stationary but growing north of Menkalinan / Beta Aurigae.http://img204.imageshack.us/my.php?image=wspaceaj3.jpg <img src="http://sitelife.space.com/ver1.0/Content/images/store/14/5/2e527a76-8bdc-4116-b5ca-40d08f1a68cd.Medium.jpg" alt="" />Landing Countdown. Days: 2 Hours: 2 Minutes: 2 Seconds: 45 Andrew Brown.  <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · May 23, 2008

Replying to: <DIV CLASS='Discussion_PostQuote'> I should be getting together with my dad to watch the coverage on Sunday. Heres hoping for success. Posted by rybanis</DIV>I too will needless to say be watching & most possibly with MeteorWayne, will be commentating as live as we can on here.I hope we all have much good stuff to talk about on here.Below, Phoenix landing ellipse in relation & scale to the Summer North Polar cap on Mars.http://img153.imageshack.us/my.php?image=marsphoenixlanderlandinvj2.jpg <img src="http://sitelife.space.com/ver1.0/Content/images/store/15/5/7f0bad99-8028-4414-a537-2c5c0fa6e0df.Medium.jpg" alt="" /> Landing Countdown. Days: 2 Hours: 1 Minutes: 52 Seconds: 00 Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · May 23, 2008

View from Mars Phoenix Lander site on Friday 23rd May 2008 @ 22:38 UTC. http://img355.imageshack.us/my.php?image=mpl23may2008ah1.gif <img src="http://sitelife.space.com/ver1.0/Content/images/store/8/0/e8845ce2-8896-4dcd-808d-ea6c14e022e7.Medium.gif" alt="" />View of Mars from Phoenix on Friday 23rd May 2008 @ 22:50 UTC. Note how in just under an hour, Mars's apparent diameter has increased by nearly 1'. http://img153.imageshack.us/my.php?image=wspacela0.jpg <img src="http://sitelife.space.com/ver1.0/Content/images/store/12/4/fc02bcf6-aa77-4eda-a466-bc4e75cf678b.Medium.jpg" alt="" />Landing Countdown. Days: 2 Hours: 1 Minutes: 4 Seconds: 00 Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · May 23, 2008

Less than two days to go now. <img src="http://sitelife.space.com/ver1.0/Content/images/store/14/11/ced491bb-b3d8-4c8a-9bdf-8ca424ece4a9.Medium.gif" alt="" />Landing Countdown. Day: 1 Hours: 22 Minutes: 15 Seconds: 00 Andrew Brown.  <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

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