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Posts by
Eleanor Imster
Sunrise at the moon’s Bhabha crater
A day on the moon lasts about an earthly month, so dawn comes to each part of the moon only that often. In this view from NASA's Lunar Reconnaissance Orbiter, you can see a crater's central peak illuminated by sunlight, while the crater floor remains dark.
December 4, 2019
Wolfe Creek Crater in Australia much younger than thought
Australia's Wolfe Creek Crater likely formed when a 50-foot meteor struck about 120,000 years ago.
December 2, 2019
Arctic ice loss exposes sea mammals to deadly virus
Scientists have linked melting Arctic sea ice to the emergence of a deadly virus among sea lions, ice seals, sea otters and other marine mammals.
November 22, 2019
Listen to Earth’s magnetic song
Scientists have created a recording of the eerie ‘song’ that Earth sings when it’s hit by a solar storm.
November 20, 2019
New global geologic map of Titan, Saturn’s largest moon
The 1st-ever map showing the global geology of Saturn's moon Titan reveals a dynamic world of dunes, lakes, plains, craters and other terrains.
November 20, 2019
Why Nile hasn’t changed course in 30 million years
Scientists say they've solved the geologic mystery of the Nile River’s unchanging path, and also discovered the river is about 30 million years old - 6 times older than previously believed.
November 19, 2019
Black hole hurls star out of Milky Way
Astronomers have spotted a star - S5-HVs1 - speeding out of the Milky Way at around 4 million miles (more than 6 million km) per hour. They believe it's being ejected from our galaxy after venturing too near the giant black hole at the Milky Way's heart about 5 million years ago.
November 18, 2019
Friday’s spacewalk is underway
Click in to learn how to watch 2 International Space Station astronauts perform the 1st in a series of spacewalks NASA is calling "the most complex in a decade."
November 15, 2019
Colorado moon
Photographer Matt Burt captured the full Beaver Moon over Gunnison, Colorado, on November 11, 2019.
November 14, 2019
