References in periodicals archive ?
The temperature difference between the planet's surface and the atmosphere just above it can be much higher on Mars than on Earth, making the dust devils larger and stronger, says William M.
He thinks Eris is a fitting name for the new dwarf planet because astronomers have argued for so long over how to define a planet.
* The International Astronomical Union (IAU) convened a panel of experts to come up with a definition for the word "planet." Their decision will determine the fate of Pluto and 2003 UB313.
Thousands of planets have been discovered by NASA's Kepler space telescope.
This isn't technically a type of planet in the same sense as the other categories, which describe worlds by their makeup, but it can be considered a planetary genre.
Composed of a white dwarf and a main-sequence star, the system boasts a massive planet closely orbiting the star.
Scientists using the planet-hunting Kepler telescope pushed the number of planets discovered in the galaxy to about 1,700.
Satellites that orbit close to a planet, like Earth's moon, follow a roughly circular path around the planet's equator, moving in the same direction in which the planet spins.
But even as scientists and the public grapple with Pluto's demotion, new findings from beyond the solar system are eroding the meaning of planet.
Which planet has the coldest average surface temperature?
These findings caused scientists to debate Pluto's planet status.
"The combination of Green Hills' MULTI IDE and INTEGRITY RTOS with Embedded Planet's PowerPC hardware will provide engineers an affordable, full featured development solution for the networking and embedded markets," said John Carbone, vice president of marketing at Green Hills Software.