News tagged with extrasolar planets

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Nearing one thousand exoplanets

A quiet milestone in modern astronomy may soon come to pass. As of today, The Extrasolar Planets Encyclopedia lists a current tally of 998 extrasolar planets across 759 planetary systems. And although various ...

Oct 21, 2013
4.6 / 5 (9) 3

How common are earths around small stars?

(Phys.org) —The Kepler mission has revolutionized the study of exoplanet statistics by increasing the number of known extrasolar planets and planet candidates by a factor of five, and by discovering systems ...

Jun 03, 2013
4.2 / 5 (19) 16 | with audio podcast

Cassini Instrument Learns New Tricks

(Phys.org)—For seven years, a mini-fridge-sized instrument aboard NASA's Cassini spacecraft reliably investigated weather patterns swirling around Saturn; the hydrocarbon composition of the surface of Saturn's ...

Dec 21, 2012
5 / 5 (9) 0 | with audio podcast

Highly inflated Jupiters

There are currently 851 confirmed extra-solar planets. Of these, 289 were detected because their orbits (as seen from Earth) take them across the face of their host star, dimming the star's light in a transit ...

Dec 10, 2012
4.2 / 5 (5) 0 | with audio podcast

So many planets, so few telescopes

Over the last few weeks, astronomers announced not one but two extraordinary discoveries in the ongoing search for planets orbiting stars beyond the sun. The first was a world about the size of Neptune, 5,000 light-years ...

Nov 08, 2012
4.8 / 5 (6) 4