Amateur astronomers with CCD cameras on their telescopes can measure the light of stars very accurately, and so can participate in the search for transiting extrasolar planets. As described in Seeing ...

Compared with other known planetary systems, the solar system contains an unusually high number of planets. In total, there are 812 known planetary systems with three or more confirmed planets ...

The Extrasolar Planets Encyclopedia counted 548 confirmed extrasolar planets at 6 May 2011, while the NASA Star and Exoplanet Database (updated weekly) was today reporting 535. These are confirmed ...

Today, extrasolar planets, or exoplanets for short, are all over the news. Thousands are known and cataloged in the openly accessible Extrasolar Planets Encyclopaedia and NASA's exoplanet archive .

It used to be that planets were familiar places such as Mars and Saturn that orbited our sun and were well known to all schoolchildren. Since astronomers identified the first planet outside our ...

The Extrasolar Planets Encyclopaedia currently lists 690 worlds that orbit other stars, and Soummer can hardly wait to add to the tally. "We have this huge wealth of data," he said, ...

To figure out which planets fit which categories, the catalog draws upon a variety of resources, including the Kepler database of candidates, the Extrasolar Planets Encyclopaedia, the Exoplanet ...

What motivated you in 1995 to start the Extrasolar Planets Encyclopedia, which is a Web site that charts data on known and unconfirmed planets outside our solar system? I discovered the Web at the ...

An extrasolar planet, or exoplanet, is a planet beyond the Solar System. As of 11 November 2006, 209 extrasolar planets have been discovered.

Today the encyclopedia of extrasolar planets contains about 120 gas giants with masses between about 0.5 and 10 Jupiter masses. Almost all of these were found using the “Doppler wobble” method in ...

Other extrasolar planets have been detected by professional and amateur astronomers using something called the transit method. ... Jean Schneiders's Extrasolar Planet Encyclopedia: http ...