XO-2
Encyclopedia
XO-2 may refer to:
- XO-2bXO-2bXO-2b is an extrasolar planet orbiting the star XO-2 in the constellation Lynx. This planet was found by transit method in 2007 by Burke et al...
- An extrasolar planetExtrasolar planetAn extrasolar planet, or exoplanet, is a planet outside the Solar System. A total of such planets have been identified as of . It is now known that a substantial fraction of stars have planets, including perhaps half of all Sun-like stars...
orbiting the starStarA star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...
XO-2XO-2 (star)XO-2 is a cooler sun-like star located approximately 486 light-years away from Earth in the Lynx constellation. It has a magnitude of 11 and cannot be seen with the naked eye but is visible through a small telescope. This star is also notable for its large proper motion.This star shares magnitude...
in the constellationConstellationIn modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
LynxLynx (constellation)Lynx is a constellation in the northern sky, introduced in the 17th century by Johannes Hevelius. It is named after the lynx, a genus of cat. It is a very faint constellation; its brightest stars form a zigzag line.-History:... - XO-2 (star)XO-2 (star)XO-2 is a cooler sun-like star located approximately 486 light-years away from Earth in the Lynx constellation. It has a magnitude of 11 and cannot be seen with the naked eye but is visible through a small telescope. This star is also notable for its large proper motion.This star shares magnitude...
- A star with exoplanet XO-2bXO-2bXO-2b is an extrasolar planet orbiting the star XO-2 in the constellation Lynx. This planet was found by transit method in 2007 by Burke et al...
in orbit around it - OLPC XO-2 - A design study of the One Laptop per Child computer