Sky Telescope Noticas recientes

1. Comet 10P/Tempel Brightens, Sets Sail South

   This periodic visitor is now bright enough to see in binoculars from a dark sky. We also report on a bright supernova in Ursa Major.

   The post Comet 10P/Tempel Brightens, Sets Sail South appeared first on Sky & Telescope.

2. Exoplanet or Exomoon? New Contender Elicits Skepticism

   Astronomers have found a Jupiter-mass world orbiting a brown dwarf that orbits a star.

   The post Exoplanet or Exomoon? New Contender Elicits Skepticism appeared first on Sky & Telescope.

3. Gamma-Ray Bursts Size Up the Milky Way’s Spiral Arms

   Observations of remote cosmic explosions reveal that the outer spiral arms of the Milky Way might extend farther out than previously thought.

   The post Gamma-Ray Bursts Size Up the Milky Way’s Spiral Arms appeared first on Sky & Telescope.

4. This Week's Sky at a Glance, July 17 – 26

   The crescent Moon visits Venus in twilight. After dark, we're in the peak month for "the Orion of Summer" with its Cat's Eyes. And cold-weather Cassiopeia is already poking up.

   The post This Week's Sky at a Glance, July 17 – 26 appeared first on Sky & Telescope.

5. First Atmosphere Detected on a Terrestrial World

   A team of astronomers have discovered helium escaping from a rocky planet, marking the first detection of an atmosphere on a rocky world.

   The post First Atmosphere Detected on a Terrestrial World appeared first on Sky & Telescope.

6. Famous System Has a Third Planet: Beta Pictoris d

   Two teams of astronomers independently discovered a third giant gas planet orbiting in the famous Beta Pictoris system.

   The post Famous System Has a Third Planet: Beta Pictoris d appeared first on Sky & Telescope.

7. Observers Beware: Reflect Orbital’s Space Mirrors Approved for Launch

   The Federal Communications Commission (FCC) has approved the launch of Reflect Orbital's Earendil 1 satellite — a space mirror 18 meters wide designed to reflect sunlight to the ground.

   The post Observers Beware: Reflect Orbital’s Space Mirrors Approved for Launch appeared first on Sky & Telescope.

8. "Rogue" Neptunes Are Detached But Not Alone

   "Rogue" Neptune-size worlds might not roam the galaxy totally on their own, just very far away from their parent stars.

   The post "Rogue" Neptunes Are Detached But Not Alone appeared first on Sky & Telescope.

9. Euclid Telescope Finds Quasars Within 700 Million Years of the Big Bang

   The sharp-eyed and far-seeing Euclid space telescope has picked up 31 early quasars that have evaded detection until now.

   The post Euclid Telescope Finds Quasars Within 700 Million Years of the Big Bang appeared first on Sky & Telescope.

10. This Week's Sky at a Glance, July 10 – 19

    The bright, distinctive pattern of Upper Scorpius is on its best display in the south right after nightfall. Telescopic treasures await. In the west, Regulus now departs from Venus.

    The post This Week's Sky at a Glance, July 10 – 19 appeared first on Sky & Telescope.