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Tag Archives: geology
Blog #6: Enceladus’s Tiger Stripes
The Cassini Spacecraft revealed dramatic geysers spewing from Enceladus’s tiger stripes, horizontal, nearly parallel fissures near the moon’s south pole, in 2006. It was believed that these may have been caused by “cryo-volcanism” (icy volcanos!), but new research suggests that it may be caused by the changes in the eccentricity of Enceladus’s orbit over 100 […] Continue reading
Blog #3: Radioactive Decay and Radiometric Dating
Radioactive decay is one of the processes by which Earth produces heat. Radioactive isotopes start off unstable (these are called the parent isotopes), and so they decay into other, more stable daughter/progeny isotopes. The decay produces alpha, beta, or gamma radiation which is then converted into thermal energy. The decay of isotopes like uranium, thorium, […] Continue reading
Posted in Class
Tagged astro2110, blog3, geology, technology
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The Himalayas of Venus
The Himalayas might be considered the most impressive mountain range on Earth, but what about other geological formations on planets around the solar system? Most famously, Olympus Mons is the tallest mountain in the solar system, located on Mars at 21229 meters, and about 2.5 times the size of Mount Everest. Alternatively, while not as […] Continue reading
Posted in Observables
Tagged astro2110, blog3, geology, Solar System, venus
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About Me
Hello! I am a sophomore in the College of Arts and Sciences majoring in Earth and Environmental Science with a minor in Sustainability Studies. I am super excited for this class because I am considering an Astronomy minor and am very interested in the subject in general. My plan after undergrad is to study Planetary Geology in graduate school. Continue reading
Geological Map of the Moon
The United States Geological Survey Astrogeology Science Center and NASA worked together to create a complete geological map of the Moon in early 2020. The map shows the immense amount of impact craters on the moon’s surface. It was made with information from six maps from the Apollo-era in conjunction with modern data. Specifically, dataContinue reading “Geological Map of the Moon” Continue reading
Surface Features of Mercury
Mercury is a terrestrial planet, though it is quite different in appearance than Earth. It’s grey rocky surface more resembles that of the moon, however unlike the moon Mercury has a liquid iron core and is much denser. Moreover, Mercury’s surface features paint an interesting story of past geological occurrences. Mercury formed around 4.6 billionContinue reading “Surface Features of Mercury” Continue reading
Posted in Class, Terrestrials
Tagged astro2110, blog3, geology, mercury, Solar System
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One Strange Shield
About a year ago National Geographic released a television series titled “One Strange Rock.” It can be found on Disney+. This series looks at how life on Earth survives and thrives. It is especially interesting because it tells this story through eight astronauts (and Will Smith!) who have spent about 1,000 days in space. AnContinue reading “One Strange Shield” Continue reading
The Geology of Mars
There are four different processes that shape planetary surfaces; volcanism, tectonics, erosion, and impact catering. Impact catering is the creation of a bowl-shaped impact crater by asteroids or comets striking a planet’s surface. Volcanism is the eruption of molten rock, or lava from an interior onto its surface. Tectonics is the disruption of a planet’sContinue reading “The Geology of Mars” Continue reading
Recent Landslides on Ceres display Ice Content
A series of landslides on Ceres’ surface has been photographed last week, displaying solid evidence for frozen water comprising a sizable portion of its composition. Images displayed three different types of landslide classifications. Type I landslides are relatively round and large, similar to rock glaciers and landslides found on Earth. These landslides are found at […] Continue reading
Posted in General
Tagged astro2110, blog8, Ceres, geology, Solar System: Small SS Objects, Uncategorized, water
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Crown-Like Structures on Venus
A new study may explain these strange looking ring patterns on Venus’s surface. These geological markers are called coronae and occur when plumes of hot molten rock rise up and disturb the cooler material above it. The rigid surface is then cracked and molten rock can flow through cracks as magma. Scientists did tests in… Continue reading Crown-Like Structures on Venus Continue reading