Daily Archives: February 28, 2023

Lack of Cratering: Io and Europa

Posted on February 28, 2023 by willems49

During class, we have discussed magnetospheres, tectonics, geological activity, and their relation to the cores of the “Big Five”: Earth, Venus, Mercury, the Moon, and Mars. Specifically the moon has very obvious cratering across its entire surface, and its craters remain intact for billions of years. This is due to it not having an atmosphere […] Continue reading →

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M45 – The Seven Sisters

Posted on February 28, 2023 by 7smessier45

Hey, y’all, and welcome back!  Today, we’re taking a quick jaunt outside our solar system to visit the Pleiades. This grouping of stars–commonly referred to as Messier 45 (M45)–is one of my favorite observables and can be best viewed in January–but the cluster is easily visible from late fall through the winter. The cluster is […] Continue reading →

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What will happen to our solar system when we collide with Andromeda?

Posted on February 28, 2023 by Melanie Marszal

You may be familiar with Andromeda, our closest neighboring galaxy. You may have also heard that Andromeda and our Milky Way are moving towards each other. But what will happen to Earth and the rest of our solar system when these two galaxies collide? Will Earth even still be around by then? The answer to […] Continue reading →

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