Hubble finds phantom objects near dead quasars

Hubble finds phantom objects near dead quasars

NASA’s Hubble Space Telescope has photographed a set of wispy, goblin-green objects that are the ephemeral ghosts of quasars that flickered to life and then faded. The glowing structures have looping, helical, and braided shapes. “They don’t fit a...

The Day NASA’s Fermi Dodged a 1.5-ton Bullet

NASA scientists don’t often learn that their spacecraft is at risk of crashing into another satellite. But when Julie McEnery, the project scientist for NASA’s Fermi Gamma-ray Space Telescope, checked her email on March 29, 2012, she found herself facing...

Human Asteroid Initiative Builds on NASA History

NASA’s FY2014 budget proposal includes a plan to robotically capture a small near-Earth asteroid and redirect it safely to a stable orbit in the Earth-moon system where astronauts can visit and explore it. Performing these elements for the proposed asteroid...

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