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Category Archives: Moons
What is up with Io?
Today I wanted to talk about one of the most fascinating moons in the Solar System, Io is one of the four Galilean moons that orbits Jupiter, which are each large enough to be counted as planets or dwarf planets if they orbited the Sun. Io is covered in snow, and yet is by far […] Continue reading
Callisto, The Ugly Duckling
When it comes to Jupiter’s Galilean moons, Callisto is the odd one out. Ganymede is the largest moon in the Solar System, Io is the most volcanically active world in the Solar System, Europa has incredible, potentially life-bearing subsurface liquid oceans, and Callisto… looks as dead as Mercury. It does not take part in the […] Continue reading
Water Beads on the Moon
After analyzing Moon samples taken over two years ago, scientists have discovered glass beads of water on the surface of the Moon. The Chinese probe, Chang’e 5, took soil samples from the lunar surface as part of China’s first sample-return mission. These glass beads are thought to be across the entire surface of the Moon […] Continue reading
Titan
Titan is Saturn’s largest moon and the second largest moon in the solar system behind Ganymede. It is shrouded in a thick, yellow atmosphere and has standing bodies of liquid on its surface. It is the only place besides Earth(that we know of) that has an atmospheric cycle of precipitation and evaporation. One day on […] Continue reading
The (Possible) Oceans of Europa
Among all of Earth’s unique aspects and characteristics, the presence of water may be the most significant. Water is necessary to life as we know it; from humans ourselves down to microscopic organisms, all living things need water to survive. It is no wonder, then, that life in the Solar System is exclusive to Earth; […] Continue reading
Lack of Cratering: Io and Europa
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
Posted in Jovians, Moons
Tagged astro2110, blog3, Galileanmoons
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Blog Post 2 – What was Stonehenge really for?
Most people have seen pictures or heard of Stonehenge, an ancient monument on the Salisbury Plain in England. Personally, while I had seen references to Stonehenge in the media, I never actually knew what it was for, or what people thought it was for. It has been difficult for historians to find a definitive answer, […] Continue reading
Posted in Class, Historical, Instruments, Moons, Sun
Tagged Archeoastronomy, astro2110, blog2, Solar System, stonehenge
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How Do Moons Form?
Have you ever considered how Earth got its moon in the first place? Astronomers have come up with several theories for why each planet in our solar system has a certain number of moons, and how these moons formed. For Earth’s moon, it is thought a collision with another planet shortly after formation of the […] Continue reading
Moon Phases in the Southern Hemisphere
While reading Chapter 2 in the textbook, I realized how much of a difference living in the southern hemisphere would affect the way you view space. I think we generally tend to think of things as being similar if not the same in the southern hemisphere, especially something as universal as the stars in the […] Continue reading
Posted in Moons, Observables
Tagged astro2110, blog1, Moonphases
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Blog 8 – Evidence for a Europan Ocean
Europa, Jupiter’s 4th largest and 2nd closest Galilean moon, is thought to have a large saltwater ocean covered by a layer of ice. An article from Nasa details the evidence for the existence of this ocean. The first piece of evidence is the matching zig-zagging cracks on the surface that indicate that the surface was […] Continue reading