News tagged with radial velocities

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Searching for orbiting companion stars

The search for exoplanets via the radial velocity technique has been underway for nearly 30 years. The method searches for wobbles in a star's motion caused by the presence of orbiting bodies. It has been very successful, ...

dateJan 26, 2016 in Astronomy
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Monster planet is 'dancing with the stars'

A team made up almost entirely of current and former Carnegie scientists has discovered a highly unusual planetary system comprised of a Sun-like star, a dwarf star, and an enormous planet sandwiched in between.

dateDec 16, 2015 in Astronomy
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A close call of 0.8 light years

A group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered dim star is likely to have passed through the solar system's distant cloud of comets, the Oort ...

dateFeb 17, 2015 in Astronomy
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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 to the Kepler ...

dateFeb 12, 2015 in Astronomy
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