N
newtonian
Guest
Episode will repeat at noon, central standard time, USA.<br /><br />Also on today is a cosmos episode with Carl Sagan on intelligence, such as in whales and humans; and a complete cosmos episode that tours the solar system.<br /><br />Included is the question as to whether life exists under the ice in water oceans on Europa.<br /><br />I will post more later - watching now. <br /><br />Edit: a few notes and questions:<br /><br />Science channel on Europa – 2006 episode entitled “Mystery of the Ice Moon.”<br /><br />Jupiter’s 4th largest moon.<br /><br />Merits a probe to determine whether life exists under the ice.<br /><br />Pioneer?, Voyager, now Galileo information.<br /><br />Galileo had speculations on what Jupiter’s moon might be like.<br /><br />Launched 1989 by Atlantis shuttle.<br /><br />Photographic clues as to what is causing the fractures – now able to ask a next level of questions. <br /><br />Some are simply cracks, but some have raised rims, some have double rims. <br /><br />Cracks as it is stressed, then slides back and forth as Europa goes around.<br /><br />Blobs of warm ice may have upwelled through ice sheet.<br /><br />Tides of Europa from Juptier cause tidal heaving, and stretch and stress ice shelves.<br /><br />Also indicates possibly hot interior due to tidal action.<br /><br />[Note this is an additional heat source for earth during white dwarf phase of our sun.]<br /><br />Computer simulation shown of upwelling through ice sheet.<br /><br />But how do the warmer ice sections travel though rigid cold ice near surface?