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E.g., 12/13/2017
E.g., 12/13/2017
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  • Jupiter
  • Titan map
Your search has returned 1346 articles:
  • News in Brief

    New Horizons’ next target might have a moon

    NEW ORLEANS — The New Horizons team may get more than it bargained for with its next target. Currently known as 2014 MU69, the object might, in fact, be two rocks orbiting each other — and those rocks may themselves host a small moon.

    MU69 orbits the sun in the Kuiper Belt, a region more than 6.5 billion kilometers from Earth. That distance makes it difficult to get pictures of the...

    12/12/2017 - 18:49 Astronomy, Planetary Science
  • News

    Jupiter’s massive Great Red Spot is at least 350 kilometers deep

    NEW ORLEANS — Jupiter’s Great Red Spot has deep roots. Data from the first pass of NASA’s Juno spacecraft over the incessant storm show that its clouds stretch at least 350 kilometers down into the planet’s atmosphere. That means the storm is about as deep as the International Space Station is high above the Earth.

    Juno has been orbiting Jupiter since July 4, 2016, and it made its first...

    12/12/2017 - 16:31 Planetary Science, Astronomy
  • News

    Most complete map of Titan reveals connected seas and cookie-cutter lakes

    Liquid methane and ethane flow through a subterranean plumbing system on Titan, which drains lakes and connects seas. That’s one of the first scientific results from the latest, most complete map of the Saturnian moon’s topography.

    Planetary scientist Paul Corlies of Cornell University and colleagues released the map — based on all the data from NASA’s Cassini mission, which ended in...

    12/08/2017 - 12:40 Astronomy, Planetary Science
  • Science Ticker

    The most distant quasar ever spotted hails from the universe’s infancy

    The most distant quasar yet spotted sends its light from the universe’s toddler years. The quasar, called J1342+0928, existed when the universe was only 690 million years old, right when the first stars and galaxies were forming.

    Quasars are bright disks of gas and dust swirling around supermassive black holes. The black hole that powers J1342+0928 has a mass equivalent to 800 million...

    12/06/2017 - 13:00 Astronomy, Cosmology
  • News

    We still don’t know where the first interstellar asteroid came from

    ISO: A home for a stray space rock. Astronomers are tracking the motions of stars to figure out which one sent an alien asteroid speeding past Earth in October — but they may never find the rock’s true origins.

    Officially named ‘Oumuamua, the asteroid was spotted by the Pan-STARRS 1 telescope in Hawaii on October 18 (SN: 11/25/17, p. 14). Its inbound speed of about 25.5 kilometers per...

    12/01/2017 - 11:38 Astronomy, Planetary Science
  • News

    Collision illuminates the mysterious makeup of neutron stars

    On astrophysicists’ charts of star stuff, there’s a substance that still merits the label “here be dragons.” That poorly understood material is found inside neutron stars — the collapsed remnants of once-mighty stars — and is now being mapped out, as scientists better characterize the weird matter.

    The detection of two colliding neutron stars, announced in October (SN: 11/11/17, p. 6),...

    12/01/2017 - 07:00 Physics, Astronomy
  • Mystery Solved

    Here’s what really happened to Hanny’s Voorwerp

    The weird glowing blob of gas known as Hanny’s Voorwerp was a 10-year-old mystery. Now, Lia Sartori of ETH Zurich and colleagues have come to a two-pronged solution.

    Hanny van Arkel, then a teacher in the Netherlands, discovered the strange bluish-green voorwerp, Dutch for “object,” in 2008 as she was categorizing pictures of galaxies as part of the Galaxy Zoo citizen science project....

    11/27/2017 - 15:30 Astronomy
  • Science Ticker

    Here is Cassini’s last broad look at the Saturn system

    Two days before plunging into Saturn, the Cassini spacecraft took one last look around the planet it had orbited for more than 13 years.

    The view of Saturn above, released November 21, is actually made from 42 images that have been stitched together. Six moons — Enceladus, Epimetheus, Janus, Mimas, Pandora and Prometheus — are faintly visible as dots surrounding the gas giant (see the...

    11/22/2017 - 06:00 Astronomy, Planetary Science
  • Science Ticker

    The Arecibo Observatory will remain open, NSF says

    The iconic Arecibo Observatory has survived a hurricane and dodged deep budget cuts. On November 16, the National Science Foundation, which funds the bulk of the observatory’s operating costs, announced that they would continue funding the radio telescope at a reduced level.

    It’s not clear yet who will manage the observatory in the long run, or where the rest of the funding will come...

    11/17/2017 - 15:15 Astronomy
  • Science Ticker

    Colliding black holes are reported for a fifth time

    Spacetime ripples from black holes are becoming routine.

    For a fifth time, scientists have reported the detection of two colliding black holes via their gravitational waves, tiny vibrations that warp the fabric of spacetime. Unlike previous gravitational wave detections, which were heralded with news conferences often featuring panels of scientists squinting at journalists under bright...

    11/16/2017 - 11:40 Physics, Astronomy