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A jet of swirling, cool, dense gas in the center of a galaxy – 70 million light-years from Earth – gives new clues to how supermassive black holes grow.
After a 5-year voyage, Juno performed a successful braking maneuver on July 4. First spacecraft to enter Jupiter orbit since Galileo in the 1990s.
NASA released this image as the Juno spacecraft arrived at Jupiter.
In late June, as Juno crossed into Jupiter’s magnetic field, an instrument aboard the craft recorded the bow shock. Hear it here.
State-of-the-art computer simulations let scientists figure out why some galaxies are green. They said a green color for a galaxy might reveal a troubled past.
Astronomers using the ALMA telescope to study the Spiderweb Galaxy unexpectedly found droplets of condensed water at the galaxy’s outskirts.
Plus the Dawn spacecraft will remain at Ceres, and 7 other NASA craft have the green light for continued operations through fiscal years 2017 and 2018.
Hundreds of events – films, concerts, panels with engineers, scientists and astronauts – about asteroids and how to protect our planet from asteroid impacts.
On June 30, 1908, an explosion over Siberia killed reindeer and flattened trees. But no crater was ever found. It may have been a small asteroid.
Sign up to trigger asteroid observations on a global telescope network on Asteroid Day, June 30. Anyone can help! Sign up by 00:00 UTC on July 1.
Earth’s shadow, sea and land
Go someplace dark and watch meteors!