A close escape for earth -- our planet has dodged an asteroid strike. Scientists say the timing of the fly-by, which came hours after a meteor shower in Russia, was a coincidence.
Rosetta's trip has lasted more than 12 years. It will come to an end Friday in a spectacular (and calculated) crash landing on comet Chury, using the fatal plunge to gather one last batch of data.
Space travel sounds super, doesn't it? But do yourself a favor and know what you're getting into. That's advice from astronomer, Neil F. Comins. He's written a timely guide for would-be Mars and moon colonists.
In 2006, Pluto ceased to be a planet. It was degraded by the International Astronomical Union to dwarf planet. But an asteroid called Ceres was "promoted." Did it help us learn more about the solar system?
Can we afford a no-holds-barred approach to scientific research? Astrophysicist Neil deGrasse Tyson tells DW why, when it comes to space, or any unknown, we should "just do it all."
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