Recent content by rod

Harry Costas, interesting comments here. IMO, your studies just showed the law of biogenesis at work, not the law of abiogenesis taking place deep in the oceans. Charles Darwin in his 1871 letter acknowledge, that the warm little pond today, non-living matter attempting to evolve into life would...

My observation on post #269 and #270. The observations made avoid or side step the problem identified in the report I cited on Theia and origin of our Moon. (post #268). "How likely it is that there are other worlds out there like it is unknown. It may take more than being in a habitable zone...

Okay, interesting info and discussions. Now here is a new report indicating abiogenesis on Earth was aided by Theia in the giant impact model for the origin of the Moon. When Theia struck Earth, it helped set the stage for life to appear...

Where is K2-18 b? The subject of a variety of reports indicating JWST may have found life on it.

FYI, a few simple observations on exomoons compared to explaining the origin of our Moon. When looking for answers to the origin of our Moon, I also look at the exoplanets too. Large Exomoons unlikely around Kepler-1625 b and Kepler-1708 b, https://arxiv.org/abs/2312.03786 "There are more than...

RobbyQbit, some good points in this discussion. I know some folks who work with lab equipment that can image bacterium at the 1 x 10^-6 meter scale or 1 x 10^-4 cm size showing if the biofilms contain living or dead areas (biomed research work). Someone else can image graphene and graphite atoms...

Last night I watched Europa occultation at Jupiter, observing 1745-1900 EST using my 10-inch Newtonian telescope at 133x with a green filter to enhance views of the many cloud bands visible on Jupiter. Europa slowly moved closer and closer to Jupiter's limb and disappeared behind Jupiter about...

IMO, no exoplanet confirmed to date, is shown to be better than Earth for life or that life lives on an exoplanet today. We have more than 5500 confirmed now and so far, no confirmation of a real, earthlike exoplanet like we live on here. https://exoplanetarchive.ipac.caltech.edu/index.html...

The cosmology calculators show comoving radial distances for objects based upon their redshifts. This is not the same as the light time distance or look back distance determined using the redshift that is reported to the public and used by space.com articles for example. When you reach redshifts...

Some of those exoplanets imaged also show position changes over many years relative to their parent stars. That is a parallel to Galileo watching the tiny lights move around Jupiter. I do see various discussions on the forums about how Einstein GR could be wrong, Newton etc. and quantum gravity...

Yes, many exoplanets now are listed as imaged. Example, 233 at this site. http://exoplanet.eu/, you can see this by looking at the detection-type column. Some examples, 51 Eri b, AB Aur b https://exoplanetarchive.ipac.caltech.edu/index.html, you can see this table too showing *discoverymethod*...

Good question and yes to seeing detail at Saturn and Jupiter. I use a 90-mm refractor telescope (since 1991) and an Orion XT10i mounted on a dobsonian (since 2018). Easy to compare the views :) The 10-inch Newtonian reflector shows brighter images and fainter targets than my 90-mm refractor...

"10X ar larger angular diameter of the Moon occurs only when it hits your eye ike a big pizza pie, which is very rare." billslugg, indeed this appearance of the Moon in the night sky would be *very rare*. That would be about its diameter if the Moon was about 6 earth radii distance compared to...

Other sources on this subject read differently here. From my 1963 How And Why Wonder Book of The Moon, page 19, Why do we see only one side of the moon? "The moon rotates on its axis and in the same direction to produce night and day on the moon. But there is one great difference. The moon...

Harry Costas, you stated: "The Moon does not spin." The Moon does have a very slow spin on its axis as the Moon orbits Earth. Each month, Sky & Telescope magazine publishes the various carters that become visible on the *far side*, lunar librations. You need good telescopes with higher...