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NASA Goddard Profile picture
@NASAGoddard
Nov 3, 2017 • 11 tweets • 4 min read • Read on X
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Lasers. In. Space.
NASA’s got ‘em! Next year we launch a satellite with lasers, @NASA_ICESat2, to measure Earth’s changing ice #NASASocial
To measure the height of ice, ICESat-2’s instrument ATLAS will send laser light to Earth, and time how long it takes to get back

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More from @NASAGoddard

NASA Goddard Profile picture
Oct 1, 2018
Happy Birthday #NASA. 60 has never looked better!🎉🎂

From the beginning, Goddard has worked to support our agency’s work of uncovering the universe 🌃.

Here are a few ways Goddard has helped along the way. #NASA60th
It started with Dr. Robert Goddard! In 1926, he successfully tested the first rocket using liquid fuel 🚀🚀. Today he’s known as the “Father of Modern Rocketry.” #NASA60th
go.nasa.gov/2y5sAam
To honor his discovery, the Goddard Space Flight Center was named after him. Our campus became #NASA’s first space flight center in 1959. #NASA60th
Read 23 tweets
NASA Goddard Profile picture
Nov 24, 2017
THREAD: Need a break from #BlackFriday, digging @NASA’s #BlackHoleFriday? Perfect, enjoy our Black Hole 101! ☄️
First the basics. A black hole is a region in space where the pulling force of gravity is so strong that light is not able to escape. Because of this, black holes are invisible. Only telescopes with special instruments can help find them.
There are three main types of black holes. The black hole's mass and size determine what kind it is.
Read 13 tweets

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