Scientists believe the Moon formed after a Mars-sized protoplanet named Theia collided with early Earth, with debris from the impact creating the Moon. Lunar rocks brought back by Apollo astronauts revealed isotopic similarities between Earth and the Moon, supporting this theory.
Related Posts
What is a heat dome? An atmospheric scientist explains the weather phenomenon baking large parts of the country
The first day of summer 2022 brought soaring temperatures across a large part of the United States. National…
Linking protected areas from Yellowstone to the Yukon shows the value of conserving large landscapes, not just isolated parks and preserves
Fresh grizzly bear tracks in Yellowstone National Park. Jacob W. Frank, NPS/Flickr Charles C. Chester, Brandeis University and…
Bees, fish and plants show how climate change’s accelerating pace is disrupting nature in 2 key ways
A bee enjoys lunch on a flower in Hillsboro, Ore. HIllsboro Parks & Rec, CC BY-NC-ND Courtney McGinnis,…
James Webb Telescope—Now Fully Deployed—Sets Its Sights To the Stars
December 25, 2021, 7:20 a.m., UTC -5. Aboard the European Space Agency’s (ESA) heavy-lift space launch vehicle Ariane…