Salon

Even planets have their (size) limits

Scientists have discovered over 4,000 exoplanets outside of our Solar System, according to NASA’s Exoplanet Archive. Some of these planets orbit multiple stars at the same time. Certain planets are so ...
KSBW The Central Coast

Study: Billions of Earth-size planets in Milky Way

Our Milky Way is home to at least 17 billion planets that are similar in size to Earth, a new estimate suggests. That's more than two Earth-size planets for every person on the globe.Just how many are ...
mic

There’s a limit to how big planets can get, thanks to physics

Scientists have discovered over 4,000 exoplanets outside of our Solar System, according to NASA’s Exoplanet Archive. Some of these planets orbit multiple stars at the same time. Certain planets are so ...
SpaceRef

TRAPPIST-1 Has 7 Earth-Size Planets

This illustration shows what the TRAPPIST-1 planetary system may look like, based on available data about the planets’ diameters, masses, and distances from the host star. Astronomers have named them ...
The National Interest

Basic Astrophysics: Even Planets Have Size Limits

Scientists have discovered over 4,000 exoplanets outside of our Solar System, according to NASA’s Exoplanet Archive. Some of these planets orbit multiple stars at the same time. Certain planets are so ...
ScienceAlert on MSN

Planet Y: A Hidden Earth-Size World Could Lurk Far Closer Than 'Planet Nine'

The simulation of the Solar System that came the closest to the observation was the presence of a small planet, between the ...
Live Science on MSN

'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...
SpaceNews

ALMA Measures Size of Seeds of Planets

Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA) have, for the first time, achieved a precise size measurement of small dust particles around a young star through radio-wave ...
Yahoo

Even planets have their (size) limits

A planet-forming disk made from rock and gas surrounds a young star. NASA/JPL-Caltech/SwRI/MSSS/ Gerald Eichstädt /Seán Doran Scientists have discovered over 4,000 ...
SpaceNews

TRAPPIST-1 Has 7 Earth-Size Planets

Five years ago, astronomers revealed a spectacular collection of other worlds: the TRAPPIST-1 system. Newspapers around the world printed the discovery on their front pages: Astronomers had found that ...
sciencex

Even planets have their (size) limits

Scientists have discovered over 4,000 exoplanets outside of our Solar System, according to NASA's Exoplanet Archive. Some of these planets orbit multiple stars at the same time. Certain planets are so ...