Latest Definition of planet Stories
Astronomers have discovered an unusual star system which looks like, and may even once have behaved like, a game of snooker.
An international group of astrophysicists has determined that a massive planet outside our Solar System is being distorted and destroyed by its host star â€“ a finding that helps explain the unexpectedly large size of the planet, WASP-12b.
Pluto's lowered celestial status will probably stick at an upcoming meeting of astronomers in Rio de Janeiro, an American astronomer predicted Sunday.
A new planet closely orbiting a red giant star was found by a team of astronomers from Penn State University and Nicolaus Copernicus University. The research sheds light on ways in which aging stars can influence nearby planets, Penn State said in a news release. The discovered planet has a mass about six times that of Jupiter, the largest planet in the solar system that includes Earth, said Alexander Wolszczan from Penn State and Andrzej Niedzielski of Nicolaus Copernicus University.
An icy, unknown world might lurk in the distant reaches of our solar system beyond the orbit of Pluto, according to a new computer model. The hidden world -- thought to be much bigger than Pluto based on the model -- could explain unusual features of the Kuiper Belt, a region of space beyond Neptune littered with icy and rocky bodies.
Updated 6:35 p.m.
A NASA-funded survey set to begin in 2008 could dramatically increase the number of known planets outside our solar system.
Brown dwarfs are the oddballs of the cosmos, more massive than planets but not heavy enough to generate the thermonuclear fusion that powers real stars.
In the Star Wars movies, fictional planets are covered with forests, oceans, deserts, and volcanoes. But new models begin to describe an even wider range of Earth-size planets that astronomers might actually be able to find in the near future.
- The horn of a unicorn considered as a medical or pharmacological ingredient.
- A winged horse with a single horn on its head; a winged unicorn.