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• Osiris-REX "TAGs" Bennu, Returns Stunning Views

  See images and video from NASA’s Osiris-REX spacecraft as it samples the Nightingale site.

  The post Osiris-REX "TAGs" Bennu, Returns Stunning Views appeared first on Sky & Telescope.

• Moon’s Magnetism Might Have Protected Earth

  The Moon's magnetic field, now long gone, might once have shielded Earth from the young Sun's radiation.

  The post Moon’s Magnetism Might Have Protected Earth appeared first on Sky & Telescope.

• Comets Crawl through the Skies at Dawn and Dusk

  Comets have been scarce since NEOWISE departed the scene. Not anymore. Suddenly, there are four fresh faces visible from dusk til dawn.

  The post Comets Crawl through the Skies at Dawn and Dusk appeared first on Sky & Telescope.

• Osiris-REX Successfully Collected Sample from Asteroid Bennu

  NASA's Osiris-REX mission has successfully touched down on the asteroid Bennu to collect a sample of its surface for return to Earth.

  The post Osiris-REX Successfully Collected Sample from Asteroid Bennu appeared first on Sky & Telescope.

• Casting Doubt on a Nearby Black Hole

  New research has shown that the recently-discovered closest black hole to Earth might not be a black hole after all but a binary star.

  The post Casting Doubt on a Nearby Black Hole appeared first on Sky & Telescope.

• Pandemic Inspires Surge in Telescope Sales

  A silver lining to the long year we've had is a renewed interest in the night sky.

  The post Pandemic Inspires Surge in Telescope Sales appeared first on Sky & Telescope.

• Meet Arcturus: Guardian of the Bear

  Arcturus is one of the brightest stars in the sky — a cool red giant in Bootes, the Herdsman, that's often tied mythologically to Ursa Major, the Bear.

  The post Meet Arcturus: Guardian of the Bear appeared first on Sky & Telescope.

• Taking Stock of Backyard Worlds

  Scientists have used the Spitzer Space Telescope to confirm seventy-five new substars uncovered by the citizen science project Backyard Worlds: Planet 9.

  The post Taking Stock of Backyard Worlds appeared first on Sky & Telescope.

• Osiris-REX Finds Some of Solar System's Oldest Rocks on Bennu

  NASA's Osiris-REX mission has found evidence of ancient water flows on the surface of asteroid Bennu.

  The post Osiris-REX Finds Some of Solar System's Oldest Rocks on Bennu appeared first on Sky & Telescope.

• Distant Space Debris a Threat to Satellites

  New observations show we're not tracking a majority of debris in higher orbits.

  The post Distant Space Debris a Threat to Satellites appeared first on Sky & Telescope.