News tagged with distant planet

250 years of planetary detection in 60 seconds

Early astronomers realized some of the "stars" in the sky were planets in our Solar System, and really, only then did we realize Earth is a planet too. Now, we're finding planets around other stars, and thanks ...

Feb 12, 2015
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How to land on a comet

Generally speaking, space missions fall into one of three categories:  difficult, more difficult, and ridiculously difficult.

Nov 04, 2014
4.9 / 5 (16) 7

Explainer: Light-years and units for the stars

"Space is Big. Really Big." The Hitchhiker's Guide to the Galaxy pretty much nailed space with those five words. And space is so really big that our earthly measures of distance struggle.

Aug 21, 2013
4.8 / 5 (11) 17