Yahoo

An astronomer's animation shows how Earth and the moon both orbit a spot 3,000 miles from the true center of the planet

All planetary systems have this point, called a barycenter, where their mass is perfectly balanced. For some systems - like Pluto and its moon, Charon - the barycenter is outside the planet. See more ...
Forbes

What Happened To The Object That Created Our Moon?

The leading theory of the Moon's formation is that an impactor hit the Earth and created a debris field that coalesced into the moon. Where is the impactor now? Has anyone ever looked or speculated as ...
CNN

Earth’s recent ‘mini-moon’ may be an actual piece of the moon, astronomers say

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A small space rock ...
Wall Street Journal

The Incredible Inventory of Things We’ve Put on the Moon

Humans have left much more than footprints on the moon since the space age started in the 1950s. Here's a guide to what's up there. 1959: The first human object on the moon The Soviet spacecraft Luna ...
abc7NY

Fake asteroid? NASA expert IDs mystery object as old rocket from failed moon-landing mission

CAPE CANAVERAL, Fla. -- The jig may be up for an "asteroid" that's expected to get nabbed by Earth's gravity and become a mini moon next month. Instead of a cosmic rock, the newly discovered object ...
Business Insider

An astronomer's animation shows how Earth and the moon both orbit a spot 3,000 miles from the true center of the planet

The moon orbits Earth — right? The answer is actually a little more complicated than that. The moon is circling a point about 3,000 miles from our planet's center, just below its surface. Earth is ...