Searching for exoplanets in the High Arctic

The Canadian High Arctic offers continuous darkness during the winter months -- an enormous advantage for astronomers searching for repeating events like planetary transits of stars. Exceptionally clear, arctic winter skies ...

Star blasts planet with X-rays

A nearby star is pummeling a companion planet with a barrage of X-rays a hundred thousand times more intense than the Earth receives from the Sun.

Kepler's astounding haul of multiple-planet systems

(PhysOrg.com) -- NASA's Kepler spacecraft is proving itself to be a prolific planet hunter. Within just the first four months of data, astronomers have found evidence for more than 1,200 planetary candidates. Of those, 408 ...

Exoplanetary systems

(PhysOrg.com) -- There are now about fifty stars known with more than one orbiting planet - they are the exoplanetary equivalents of the solar system. These stellar families are critical to astronomers piecing together the ...

Kepler and the Search for Life in Our Galaxy

(PhysOrg.com) -- There are so many stars in our galaxy that even if planets with complex life (animals and plants) are rare - say one for every billion stars - there could still be dozens here in the Milky Way. But we are ...

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