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Astronomy

After another near miss, Stanford professor wants to find asteroids that threaten Earth

The Physicist ― On Saturday, an asteroid the size of one and a half football fields flew within 240,000 milesof Earth. If the space rock had hit land, it would have leveled an area the size of San Francisco Bay. If it had hit the Pacific Ocean, the impact would ...

Tags: Astronomy News

Aromal ― 21 hr ago

OKLAHOMA TORNADO

OKLAHOMA TORNADO

.INVERSE ― Oklahoma Tornado ∙ On May 20, 2013, NASA and NOAA satellites observed the system that generated severe weather in the south central United States and spawned the Moore, Okla., tornado. ∙ The tornado that struck Moore on the afternoon ...

Tags: ASTRONOMY, Videos, Photos

Kamalpato ― 1 day ago

Book Review: “Space Chronicles: Facing the Ultimate Frontier” by Neil de Grasse Tyson

Book Review: “Space Chronicles: Facing the Ultimate Frontier” by Neil de Grasse Tyson

No Doomsday in 2012 ― For those fans of Carl Sagan’s Pale Blue Dot, there’s finally a successor volume to that. Neil deGrasse Tyson’s Space Chronicles: Facing The Ultimate Frontier, at times, reads like an updated version of Sagan’s classic book...

Tags: Astronomy, Book Reviews, Neil DeGrasse Tyson, Space Chronicles

Choonky ― 1 day ago

The Birth of a Saros – This Weekend’s Hidden Eclipse

The Birth of a Saros – This Weekend’s Hidden Eclipse

No Doomsday in 2012 ― As the first eclipse season of 2013 comes to an end this weekend, an extremely subtle lunar eclipse occurs on the night of Friday, May 24th going into the morning of Saturday, May 25th. And we do mean subtle, as in invisible to the naked ...

Tags: Astronomy, Eclipses, Moon, Observing, Skywatching, 2013 Eclipses

Choonky ― 1 day ago

How Fast Does the Earth Rotate?

No Doomsday in 2012 ― This article originally appeared in 2009, but I’ve updated it and added this video. The ground feels firm and solid beneath your feet. Of course, the Earth is rotating, turning once on its axis every day. Fortunately gravity keeps you firmly...

Tags: Astronomy, Guide To Space

Choonky ― 2 days ago

Is it true that the water on Earth and Moon came from the same source?

Is it true that the water on Earth and Moon came from the same source?

Trussty-Jasmine ― Water in the Earth and the Moon apparently derived from the same source. The conclusion was obtained by a team of researchers from Brown University. "The water that comes to the moon and earth from primitive meteorites are now located in outer of ...

Tags: Astronomy

Eckhart ― 4 days ago

Seeing the Red of ‘La Superba,’ a Magnificent Springtime Carbon Star

Seeing the Red of ‘La Superba,’ a Magnificent Springtime Carbon Star

No Doomsday in 2012 ― The Universe can be a very gray place. But this week, we’ll look at a fine example of a class of objects that defies this trend.(...)Read the rest of Seeing the Red of ‘La Superba,’ a Magnificent Springtime Carbon Star (886 ...

Tags: Astronomy, Observatories, Skywatching, Stars, Stellar Evolution, Canes Venatici

Choonky ― 5 days ago

Blocking Light Sheds New Light on Exoplanet Atmospheres

Blocking Light Sheds New Light on Exoplanet Atmospheres

No Doomsday in 2012 ― Exoplanets are uncanny. Some seem to have walked directly out of the best science-fiction movies. For example, we’ve discovered a planet consisting purely of water (GJ 1214b) and one with two suns (Kepler 16b). Some planets nearly scrape ...

Tags: Extrasolar Planets, Jet Propulsion Laboratory, Astronomy, Extrasolar Planet Atmospheres, Project 1640

Choonky ― 6 days ago

Orion’s Secret Fire Dance

Orion’s Secret Fire Dance

No Doomsday in 2012 ― The Great Orion Nebula has captivated observers for at least four hundred years, but the ancient Mayans may have known about its secrets long before then. According to legend, the nebula might have been the smoke situated between the “Three...

Tags: Astrophotos, ESO, Infrared Astronomy, Star Formation, APEX Telescope, Herschel Space Observatory

Choonky ― 1 week 21 hr ago

Yet Another X-Class Flare From AR 1748

Yet Another X-Class Flare From AR 1748

No Doomsday in 2012 ― Last night, as Commander Hadfield and the Expedition 35 crew were returning to Earth in their Soyuz spacecraft, the Sun unleashed yet another X-class flare from active region 1748, the third and most powerful eruption yet from the sunspot region ...

Tags: NASA, Solar Astronomy, Sun, CME, Flare, SDO

Choonky ― 1 week 1 day ago

The Sun Blasts Out Two X-Class Flares, Strongest of the Year

No Doomsday in 2012 ― The Sun gets active! On May 12, 2013, the Sun emitted what NASA called a “significant” solar flare, classified as an X1.7, making it the first X-class flare of 2013. Then earlier today, May 13, 2013, the Sun let loose with an even...

Tags: Solar Astronomy, Sun

Choonky ― 1 week 2 days ago

What is the Biggest Star in the Universe?

No Doomsday in 2012 ― This article was originally published in 2008, but I’ve updated it and added this cool video. My six-year old daughter is a question asking machine. We were driving home from school a couple of days ago, and she was grilling me about the ...

Tags: Astronomy, Guide To Space, Stars

Choonky ― 1 week 2 days ago

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