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Category Archives: Stars
magic
“Any sufficiently advanced technology is indistinguishable from magic.” – Arthur C Clarke’s third law. I stumbled on a little thing I had posted some time ago, early in September when friendships were still tentative and the air was still crisp. -We spent the weekend in a cabin four dirt trails off the everyday. At night we cracked open … Continue reading magic → Continue reading
Are we at the center of the Universe?
It’s not surprising that at first, humans believed in a geocentric universe. When you look up at the night sky while standing on earth, it appears as though the sun, moon, and stars are moving around the earth. Now of course we know that this effect is actually due to the rotation of the earth […] Continue reading
Posted in Class, Stars
Tagged astro2110, astronomy, blog2, Geocentic, geocentrism, stabilized gifs
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Are we at the center of the Universe?
It’s not surprising that at first, humans believed in a geocentric universe. When you look up at the night sky while standing on earth, it appears as though the sun, moon, and stars are moving around the earth. Now of course we know that this effect is actually due to the rotation of the earth […] Continue reading
Posted in Class, Stars
Tagged astro2110, astronomy, blog2, Geocentic, geocentrism, stabilized gifs
Comments Off on Are we at the center of the Universe?
Stargazing: There’s an App for That!
Source: Google Play Ever look up at the sky and wonder what that one bright star is called? Well there’s an app for that! Google Sky Map allows the user to hold their phone up to the sky, day or night, and scan the area for constellations, planets, and more. It has features similar to those […] Continue reading
Posted in Class, Observables, Stars
Tagged Application, astro2110, blog2, stargazing
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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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One Long Trip
When we look up at the sky during the night, it can feel comforting that instead of being surrounded by darkness, we see the bright twinkles of stars all around us. Though this might make us feel like we are not simply on a rocky planet hurtling through space far from everything else, this is not […] Continue reading
Posted in Class, Light, Stars
Tagged astro2110, blog1, lightspeed, scale, spacetravel, Uncategorized
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Name That Constellation
The Night Sky, showing the Milky Way, at La Silla Observatory in Chile. Source: Wikimedia Commons. The constellations visible from the Western Hemisphere differ from those visible from the Southern Hemisphere. In English, we typically use names derived from Greek and Roman mythology for the constellations, referring to constellations such as Orion and Pleiades […] Continue reading
Posted in Class, Historical, Stars
Tagged aboriginal, astro2110, blog2, Constellations, southern cross, Uncategorized
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Constellations of the East
When we were looking at star maps inside of Stellarium during class, I couldn’t help but think about how arbitrary all of the constellations seemed. If I didn’t know what shape to look for, I don’t think I would ever have found the same patterns in the sky. I decided to study the Chinese constellation system […] Continue reading
Posted in Historical, Stars
Tagged astro2110, blog2, Uncategorized
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Stellar classification
The stellar classification classifies stars based on their spectral characteristics. When passing through a prism, light from a star will be split into a spectrum displaying rainbow of colors interspersed with absorption lines. The strength of each line indicates the abundance of a specific ion. The abundance of different ions varies with the temperature of… Continue reading
Posted in Class, Stars
Tagged astro201, blog10, Classification, luminosity, specturm
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Planet Discovered with Four Parent Stars
Binary star systems, like the one featured in the Tatooine system of Star Wars are common in the universe with half of all systems being comprised that way. Ternary system, or systems with three stars, are more rare, and even more rare are quaternion systems. Planets within these four star systems are also rare, so much so […] Continue reading