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Elon Musk, A Man of Impossible Dreams, Wants To Colonize Mars

The visionary creator of SpaceX and the Tesla wants to bring solar power to the masses, people to Mars, and, maybe, retire there himself.<p>Elon Musk has been compared with Thomas Edison and Steve Jobs. Doing the impossible—whether creating the Tesla electric car or launching rockets with SpaceX—is …

Earth - Earth’s magnetic field now flips more often than ever

The Earth's magnetic field, which protects us from potentially dangerous solar radiation, is gradually losing its stability. No need to move underground or build space colonies just yet, though: the changes are taking place over millions of years.<p>You might assume that compasses will always point …

Kurt Cobain’s Isolated Vocal Track From ‘Smells Like Teen Spirit,’ 1991

In 1991, Nirvana's <i>Nevermind</i> album exploded into mainstream popular culture like--as one writer describes it-- "a grenade detonating in your car …

How many satellite launches does it take to get to Mars?

SpaceX's launch this week leaves a long road to getting humans to other planets<p>On Tuesday, SpaceX successfully launched a commercial communications satellite into orbit after two abortive attempts, a major milestone in entrepreneur Elon Musk’s lofty mission to build a private space program. In …

The Science Guy Wants Money For Space Exploration

Mr. President, you have been officially called out by Bill Nye, “The Science Guy.”<p>In a video appeal to President Barack Obama released Thursday …

APOD: Naked Eye Nova Centauri (2013 Dec 07) Image Credit & Copyright: Yuri Beletsky (Las Campanas Observatory, Carnegie Institution) http://apod.nasa.gov/apod/ap131207.html Explanation: Brightest stellar beacons of the constellation Centaurus, Alpha and Beta Centauri are easy to spot from the southern hemisphere. For now, so is new naked eye Nova Centauri 2013. In this night skyscape recorded near Las Campanas Observatory in the Chilean southern Atacama desert on December 5, the new star joins the old in the expansive constellation, seen at early morning hours through a greenish airglow. Caught by nova hunter John Seach from Australia on December 2 as it approached near naked eye brightness, Nova Cen 2013 has been spectroscopically identified as a classical nova, an interacting binary star system composed of a dense, hot white dwarf and cool, giant companion. Material from the companion star builds up as it falls onto the white dwarf's surface triggering a thermonuclear event. The cataclysmic blast results in a drastic increase in brightness and an expanding shell of debris. The stars are not destroyed, though. Classical novae are thought to recur when the flow of material onto the white dwarf eventually resumes and produces another outburst. http://www.lco.cl/ http://carnegiescience.edu/ Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=131207 #APOD