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Monthly Archives: February 2018
Red, White, and Blue: The Star Life Cycle
We’ve talked a bit about black body radiation and how some stars appear more reddish or bluish, or maybe even just white. But how and why do stars appear as more reddish or bluish, and why are some stars larger than others? What makes Red Giants and White Dwarfs special? Well, it all has to … Continue reading Red, White, and Blue: The Star Life Cycle → Continue reading
Crop Circles: A Brief History
Crop circles have long captivated the attention of conspiracists. Their theories suggest that they appear within hours and during daytime without forewarning or even observation of their creators. Modern-day conspiracists have often pointed to them as evidence of the supernatural or more recently, extraterrestrial communication. The idea is that aliens have used beams from their spaceships … Continue reading Crop Circles: A Brief History → Continue reading
Posted in Class
Tagged Archeoastronomy, astro2110, blog3, Uncategorized
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European-Extremely Large Telescope
The European Southern Observatory began construction of the European-Extremely Large Telescope (E-ELT) back in 2014. This telescope is on track to be the world’s largest optical and infrared telescope by the time it is completed in 2024, thus living up to its name. The E-ELT will include a main mirror that is 128 feet in … Continue reading “European-Extremely Large Telescope” Continue reading
Posted in Galaxies, Observables
Tagged astro2110, blog2, telescope, Uncategorized
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Radio Telescopes
When someone says “telescope,” you probably think of a long magnifying tube ranging from pocket sized to massive that you can look in an eyepiece of to see things at great distances, such as stars and galaxies in regards to astronomy. Another type of telescope you may not think of is the radio telescope. The … Continue reading Radio Telescopes → Continue reading
Posted in Instruments
Tagged astro2110, blog2, technology, telescopes
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Tides and the Parting of the Sea
The biblical tale of Moses parting the Red Sea to free the Israelites from the Egyptians is a story still shared throughout the world today. However, a lesser known rendition of the tale involving tigers and an old woman exists just off the coast of the Korean peninsula. Two South Korean islands, Modo and Jindo, … Continue reading Tides and the Parting of the Sea → Continue reading
Tides and the Parting of the Sea
The biblical tale of Moses parting the Red Sea to free the Israelites from the Egyptians is a story still shared throughout the world today. However, a lesser known rendition of the tale involving tigers and an old woman exists just off the coast of the Korean peninsula. Two South Korean islands, Modo and Jindo, … Continue reading Tides and the Parting of the Sea → Continue reading
Tides: The Next Big Thing
When we speak of renewable energy sources, solar power often dominates the conversation. Our sun is the brightest point in our observable sky. It’s the largest object in the solar system. It’s the source of life on Earth. It’s easy to forget about the second brightest, 400 times smaller (diameter-wise) source of tides. Although it … Continue reading Tides: The Next Big Thing → Continue reading
Posted in Class
Tagged astro2110, blog2, tides, Uncategorized
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A-Not-So-Healthy Universal Relationship
In the midst of the Valentine’s Day season, it would seem of nothing more fitting than to mention the binary star systems that our very universe holds.… Read more “A-Not-So-Healthy Universal Relationship” Continue reading
A New Age of Rocketry (Thanks Vandy!)
Last week, entrepreneurial genius/potential supervillain Elon Musk’s SpaceX launched its Falcon Heavy. Immediately upon its successful launch, the Falcon Heavy became the world’s most powerful active rocket, capable of carrying heavy payloads such as government satellites to geosynchronous orbit and lighter payloads as far as Mars. (Cross-promotional superstar “Starman” is likely to make it almost … Continue reading A New Age of Rocketry (Thanks Vandy!) → Continue reading
Posted in Space Travel
Tagged astro2110, blog3
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Retrograde Motion: Illusions and Jinxes
Understanding the heavens has proven confusing for countless generations of humans in part because of the illusions caused by our perspective from earth. For millennia, the majority opinion was a geocentric universe, where the sun, moon, planets, and stars revolved around the earth, since they all seemed to do so from the earth’s perspective. All […] Continue reading