asteroids
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You Don’t Need to Duck
FAS Astronomers Blog, Volume 32, Number 3. Just recently, the folks at Live Science published a few articles about the risk of a dangerous asteroid hitting the Earth (see below). Is it time for us to start worrying? Have you heard of NEOs, PHAs, and PHOs? Well, these are Near-Earth Objects (NEOs), Potentially Hazardous Asteroids…
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Asteroid 1, Dinosaurs 0
FAS Astronomers Blog, Volume 31, Number 15. The dinosaurs ruled the Earth for millions of years. Despite their dominance, the dinosaurs disappeared. The commonly accepted theory is that a large asteroid hit the Earth, resulting in the extinction of over two thirds of the species on the planet. For more on dinosaurs, see three previous…
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Occultation Alert
Attention Occultation Alert How many of us have seen a star occulted by an asteroid? It is kind of like watching a solar eclipse but in miniature, it is the passing of an asteroid in front of a star. This one occurs in the constelation of Auriga. On Friday Feb. 22, 2013 at 02:25UT (09:25pm…
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