The ancient Greeks proved over 2,000 years ago that the Earth was round and figured out how big it was by using simple observations of the Sun. But how do people know this today? When you drop ...

There goes the solar system. The elite society of nine lordly bodies of rock, ice and gas would grow to at least 12 and as many as 53 members under a new definition of “planet” proposed Tuesday by the ...

Astronomers call it KOI-134, and it's a star located 3,747 light-years away from Earth. Despite the huge distance that separates us, we've known it was there for more than a decade now, ever since the ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Moriel Schottlender is a software engineer at Wikimedia Foundation ...

When they tried to figure out how to define a planet, one of the criteria that astronomers settled on was whether its body was spherical, instead of irregular. Indeed, the fact that Pluto is spherical ...

(THE CONVERSATION) - The ancient Greeks proved over 2,000 years ago that the Earth was round and figured out how big it was by using simple observations of the Sun. But how do people know this today?

James Webb is affiliated with American Astronomical Society -full member Planetary society - member National Space Society- member Southern Cross Astronomical Society lifetime member The ancient ...