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E.g., 12/11/2017
E.g., 12/11/2017
Your search has returned 431 images:
  • Hunga Tonga-Hunga Ha’apai
  • Saturn’s rings
  • Titan map
Your search has returned 808 articles:
  • News in Brief

    Watching this newborn island erode could tell us a lot about Mars

    NEW ORLEANS — Earth’s youngest bit of land is getting a new lease on life. When an erupting volcano birthed an island in the Pacific Ocean in late 2014, scientists thought waves would erode the island away within just a few months. Instead, new data suggest it could stick around for up to 30 years, researchers reported December 11 at a news conference at the American Geophysical Union’s fall...

    12/11/2017 - 17:48 Earth, Oceans, Planetary Science
  • News in Brief

    Saturn’s rings mess with the gas giant’s atmosphere

    NEW ORLEANS — Saturn’s mighty rings cast a long shadow on the gas giant — and not just in visible light.

    Final observations from the Cassini spacecraft show that the rings block the sunlight that charges particles in Saturn’s atmosphere. The rings may even be raining charged water particles onto the planet, researchers report online December 11 in Science and at the fall meeting of the...

    12/11/2017 - 17:38 Planetary Science
  • 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
  • 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
  • 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
  • News

    Haze keeps Pluto cool by kicking heat out to space

    Blame Pluto’s haze for the dwarf planet’s unexpected chilliness. Clusters of hydrocarbons in the atmosphere radiate heat back into space, keeping the dwarf planet cool, a new study suggests. Pluto may be the only world in the solar system whose atmospheric temperature is controlled by solid particles, rather than gas, researchers report in the Nov. 16 Nature.

    Most planets’ temperatures...

    11/15/2017 - 13:00 Astronomy, Planetary Science
  • Science Ticker

    NASA wants your help naming New Horizons’ next destination

    NASA’s New Horizons mission needs a catchier nickname for its next destination. The bar isn’t exactly high.

    On New Year’s Day 2019, the spacecraft will fly by the tiny Kuiper Belt world that bears the official designation of (486958) 2014 MU69. NASA announced Monday that it is asking the public for an easier-to-remember nickname. The SETI Institute is hosting the contest.

    As with...

    11/07/2017 - 14:00 Astronomy, Planetary Science
  • News in Brief

    A sandy core may have kept Enceladus’ ocean warm

    A soft heart keeps Enceladus warm from the inside. Friction within its porous core could help Saturn’s icy moon maintain a liquid ocean for billions of years and explain why it sprays plumes from its south pole, astronomers report November 6 in Nature Astronomy.

    Observations in 2015 showed that Enceladus’ icy surface is a shell that’s completely detached from its rocky core, meaning the...

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

    See a new mosaic of images of comet 67P from the Rosetta mission

    A year after the Rosetta spacecraft’s rendezvous with comet 67P/Churyumov-Gerasimenko came to an end, the views are still stunning. This montage, released in September by the European Space Agency, includes 210 of the thousands of images taken by Rosetta and the Philae lander and recaps the daring mission to explore the space rock. The images are arranged chronologically (starting at the top...

    11/03/2017 - 07:00 Planetary Science, Astronomy
  • News in Brief

    Dino-dooming asteroid impact created a chilling sulfur cloud

    The asteroid collision that may have doomed the dinosaurs 66 million years ago really stank. A new analysis of gases released from vaporized rocks at the impact site in modern-day Mexico suggests that the smashup released up to three times more smelly, climate-cooling sulfur than previously believed.

    The Chicxulub impact spewed about 325 billion tons of sulfur and 425 billion tons of...

    11/02/2017 - 06:00 Earth, Planetary Science, Animals