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Category Archives: Small SS Objects
Halley’s Comet
Halley’s Comet is visible from Earth every 75-76 years. It is the only known short-period comet (a comet that has an orbital period of less than 200 years) that is visible to the naked eye. Halley most recently visited the inner parts … Continue reading → Continue reading
Posted in Class, Small SS Objects, SolarSystem
Tagged astro2110, blog7, comet
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The Stardust Mission
Missions that deliberately bring back extraterrestrial material to Earth are rare. The NASA Stardust, a probe that launched in 1999, sought to collect dust samples from the comet Wild 2’s tail. Prior to the mission, experts believed that the dust in comets’ tails would be pre-solar particles. Instead, what they found from the particles retrieved […] Continue reading
Your Zodiac Sign is Wrong: 3 Misconceptions You Have About the Night-Sky
We all get it. You’re a Capricorn or a Taurus or a Sagittarius or a(n) [any other zodiac constellation]. You’ve read all of your horoscopes, and they fit your personality soooo well. “This is so me,” you might yell to your friends, completely disregarding the fact that they don’t care which vague internet prediction you identify with. […] Continue reading
Posted in Aliens, Class, Dwarf Planets, Exoplanets, Galaxies, General, Historical, Instruments, Jovians, Light, Moons, Observables, Outreach, Physics, Planet Rings, Public Policy, Science, Small SS Objects, SolarSystem, Space Travel, Stars, Sun, Terrestrials, Universe
Tagged astro2110, blog2, Misconceptions, seasons, zodiac signs
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Blog Post #7: Comets Can Be Artists Too
bbc.com A new study shows that Mercury may have been “painted” black by passing comets. In class, we have learned to compare …
Posted in Small SS Objects
Tagged astro201, blog7, Comets, mercury, Solar System
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The Cosmic Snowball
Halley’s Comet This video tells us about the history of Halley’s Comet, which turns out to have actually been documented in medieval history in previous passes by the sun. Because of the rarity with which comets actually appear in our night sky, they used to be tied to ancient superstitions; for example, to the ancient Chinese they signaled a… Continue reading
Posted in Historical, Small SS Objects, SolarSystem
Tagged astro201, blog7
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Between a Rock and a Whole Lot of Air
The first documented occurrence of a person being struck by a meteorite was a woman in Alabama being struck while napping by a rock that bounced off her wooden console radio. But could you imagine being struck straight on by a meteorite while skydiving? That is exactly what happened to Anders Helstrup, after leaping for … Continue reading Between a Rock and a Whole Lot of Air → Continue reading
Posted in Small SS Objects
Tagged astro201, blog8, meteorite
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Life in the Periphery
Sedna is a dwarf planet existing outside of the Kuiper Belt; in itself that makes it fairly distinct as there is only one other dwarf planet existing beyond the Kuiper Belt and that was only discovered in late March. The other thing that makes Sedna interesting is that it has ultra-red material which is indicative … Continue reading Life in the Periphery → Continue reading
Posted in Small SS Objects
Tagged astro201, blog7, life, Sedna
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Almost Hit by a Meteorite
In the video above, a skydiver was almost hit by a meteorite falling through Earth’s atmosphere. There is only one person in recorded history, Ann Hodges from Alabama in 1954, to ever be hit by a meteorite and that was off of a bounce. With all of the people that have lived throughout human history, you have a better chance of […] Continue reading
Posted in Class, Small SS Objects
Tagged astro201, blog8, Meteorites
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Mining in Space
Whenever one thinks about mining in space, the image that is likely to come to mind is of drilling an asteroid made of solid gold. However, this is unlikely to be how this process will ever occur. That is partially because the value of the resources that one would receive from them would overcome the […] Continue reading
Ceres, the Inner Solar System Dwarf Planet
Ceres was discovered in 1801 and is the largest object in the asteroid belt between Mars and Jupiter. It was originally classified as a planet, but has since been demoted to a dwarf planet. It is thought to have an icy mantle and a rocky core with the possibility of a subsurface ocean and thin atmosphere. […] Continue reading
Posted in Class, Small SS Objects
Tagged asteroids, astro201, blog7, Ceres, Solar System
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