News tagged with rocky planets

Related topics:

Jupiter's movements made way for Earth

There's something about our solar system that appears to be unusual. For some reason, most of our bigger planets are far away from our host star, while closer in are smaller, rocky worlds, including Earth ...

dateJun 23, 2015 in Astronomy
shares515 comments 0

Measuring the mass of a Mars-size exoplanet

Determining the size of an Earth-size exoplanet by the amount of starlight it blocks hundreds of light-years away once was the realm of science fiction. Measuring the mass of such a small planet based on ...

dateJun 18, 2015 in Astronomy
shares657 comments 0

Spitzer telescope witnesses asteroid smashup

(Phys.org) —NASA's Spitzer Space Telescope has spotted an eruption of dust around a young star, possibly the result of a smashup between large asteroids. This type of collision can eventually lead to the ...

dateAug 28, 2014 in Astronomy
shares0 comments 2

Rocky planets may orbit many double stars

Luke Skywalker's home in "Star Wars" is the desert planet Tatooine, with twin sunsets because it orbits two stars. So far, only uninhabitable gas-giant planets have been identified circling such binary stars, ...

dateMar 30, 2015 in Astronomy
shares103 comments 0