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 2018-04-25 16:28 

Sky & Telescope

Gaia Maps 1.7 Billion Stars, Widens Cosmic Census...

With its second data release, the European Space Agency's Gaia satellite has redefined the way we look at our galaxy. The post Gaia Maps 1.7 Billion Stars, Widens Cosmic Census appeared first on Sky & Telescope ....

 2018-04-25 13:30 

Sky & Telescope

Mud Cracks on Mars Reveal Lake's History...

Curiosity spotted polygonal shapes on the surface of rocks on Mars — now, analysis of these mud cracks is revealing the history of the long-ago lake that once filled Gale Crater. The post Mud Cracks on Mars Reveal Lake's History appeared first o...

 2018-04-24 13:00 

Sky & Telescope

Happy 28th Birthday, Hubble!...

To celebrate Hubble's 28th birthday NASA is releasing a brand-new image of the Lagoon Nebula, a vast stellar nursery. The post Happy 28th Birthday, Hubble! appeared first on Sky & Telescope ....

 2018-04-23 17:32 

Sky & Telescope

News & Views from the 2018 Northeast Astronomy Forum...

The editors of Sky & Telescope report experiences from last weekend's Northeast Astronomy Forum (NEAF) in Suffern, New York — one of the busiest years ever for the world's biggest astronomy trade show. The post News & Views from the 2018 Nor...

 2018-04-23 15:47 

Sky & Telescope

Pluto's Moon Charon Receives Formal Names...

The International Astronomical Union has approved names for features on Pluto's largest moon, Charon. The post Pluto's Moon Charon Receives Formal Names appeared first on Sky & Telescope ....

 2018-04-20 17:30 

Sky & Telescope

60-Second Astro News: Tech Advances for Exoplanet Hunters...

A mini-satellite demonstrates exoplanet-hunting technology, a superconducting camera tests its abilities to image exoplanets, and bad news for life on Proxima Centauri b. The post 60-Second Astro News: Tech Advances for Exoplanet Hunters appeared first on...

 2018-04-19 17:55 

Sky & Telescope

Amateurs Take Huge Panoramic View of the Milky Way — Without a Telescope...

This is what the largest available image of the Milky Way using only off-the-shelf photographic equipment looks like. The post Amateurs Take Huge Panoramic View of the Milky Way — Without a Telescope appeared first on Sky & Telescope ....

 2018-04-19 14:02 

Sky & Telescope

Successful Launch for NASA's TESS Exoplanet Mission...

The Transiting Exoplanet Survey Satellite (TESS) launched successfully on April 18th at 6:51 p.m. EDT aboard a SpaceX Falcon 9 rocket to survey the entire sky for new worlds. The post Successful Launch for NASA's TESS Exoplanet Mission appeared first ...

 2018-04-18 14:25 

Sky & Telescope

Gamma-ray Supernova Remnants Shed Light on Cosmic Rays...

Astronomers have found the gamma-ray-emitting remains of three exploded stars, and the remnants might reveal the origin of cosmic rays. The post Gamma-ray Supernova Remnants Shed Light on Cosmic Rays appeared first on Sky & Telescope ....

 2018-04-18 14:17 

Sky & Telescope

The Lyrid Shower Kicks Off Year of Great Meteor Watching...

The annual Lyrid meteor shower will shoot off silent fireworks on Earth Day this Sunday. We explore the shower's origin and how best to view and photograph it. The post The Lyrid Shower Kicks Off Year of Great Meteor Watching appeared first on Sky & T...

 2018-04-16 13:00 

Sky & Telescope

10 Dark-Sky Parks in the U.S. You Need To Visit...

To mark International Dark Sky Week (April 1521, 2018), here are some of the nation's finest stargazing spots, where artificial light is all but absent. There's a simple rule for anyone searching for a dark sky; go somewhere others are not. The sp...

 2018-04-13 15:22 

Sky & Telescope

Spring Astronomy Day 2018...

Looking for something to do on Saturday? Make plans to celebrate Astronomy Day on April 21st! The post Spring Astronomy Day 2018 appeared first on Sky & Telescope ....

 2018-04-12 16:17 

Sky & Telescope

Globular Clusters Shine in a Galaxy Lacking Dark Matter...

You may have seen recent news about NGC 1052DF2, a galaxy that was discovered to have little or no dark matter. Now, a new study explores what NGC 1052DF2 does have: an enigmatic population of unusually large and luminous globular clusters. The post Globu...

 2018-04-12 15:42 

Sky & Telescope

Asteroid 113 Amalthea to Occult Star...

Here's an opportunity for amateur astronomers to reveal more about asteroid Amalthea's satellite. The post Asteroid 113 Amalthea to Occult Star appeared first on Sky & Telescope ....

 2018-04-10 14:25 

Sky & Telescope

ARIEL: Next-Decade Exoplanet Mission Selected...

The European Space Agency's ARIEL mission will seek to analyze the atmospheric composition and true nature of distant worlds. The post ARIEL: Next-Decade Exoplanet Mission Selected appeared first on Sky & Telescope ....

 2018-04-09 18:45 

Sky & Telescope

60-Second Astro News: Imaging Black Hole Jets and Distant Stars...

Astronomy news this week: Hubble images the most distant star, radio telescopes combine forces to probe black hole jet, and neutron star hotspots explained. The post 60-Second Astro News: Imaging Black Hole Jets and Distant Stars appeared first on Sky & T...

 2018-04-09 14:32 

Sky & Telescope

Big Scope Breakout: New Supernovae, Novae, Bright Spot on Saturn...

The sky's been bursting with exploding stars this season. Plus there's a new storm on Saturn. What's a skywatcher to do? Haul out the scope! The post Big Scope Breakout: New Supernovae, Novae, Bright Spot on Saturn appeared first on Sky & Tele...

 2018-04-06 13:51 

Sky & Telescope

Supergiant Star Caught Fleeing In Another Galaxy...

The discovery of a runaway star in the Small Magellanic Cloud suggests that runaway stars are a common phenomenon in the universe. The post Supergiant Star Caught Fleeing In Another Galaxy appeared first on Sky & Telescope ....

 2018-04-05 15:40 

Sky & Telescope

"Fast Supernovae" Begin to Reveal Their Secrets...

Astronomers have discovered 72 fast and furious explosions, possibly supernovae blasts cloaked in cocoons of ejected gas. The post "Fast Supernovae" Begin to Reveal Their Secrets appeared first on Sky & Telescope ....

 2018-04-04 17:03 

Sky & Telescope

Our Galaxy's Center Might Hold Thousands of Black Holes...

A new study has uncovered a dozen stellar-mass black holes within 3 light-years of the supermassive black hole at our galaxy's core — and these might be just the tip of the iceberg. The post Our Galaxy's Center Might Hold Thousands of Black ...

 2018-04-03 14:59 

Sky & Telescope

Tiangong 1's Remote Reentry...

China's first space station reentered Earth's atmosphere over the South Pacific after almost seven years in space. The post Tiangong 1's Remote Reentry appeared first on Sky & Telescope ....

 2018-04-02 17:43 

Sky & Telescope

Global Astronomy Month Celebrates the Moon...

Astronomers Without Borders celebrates the night sky in its annual Global Astronomy Month — a month-long collection of online events and in-person gatherings. This year's theme: the Moon. The post Global Astronomy Month Celebrates the Moon appea...

 2018-03-30 02:10 

Sky & Telescope

Tour April's Sky: Venus Ascending...

This month's astronomy podcast guides you around the nighttime sky during April, giving you easy-to-follow help for finding bright planets and key stars after the Sun goes down. The post Tour April's Sky: Venus Ascending appeared first on Sky & Te...

 2018-03-28 17:03 

Sky & Telescope

A Galaxy Without (Much) Dark Matter...

Astronomers have found a peculiar object: a fluffy galaxy that has little to no dark matter. The post A Galaxy Without (Much) Dark Matter appeared first on Sky & Telescope ....

 2018-03-27 20:21 

Sky & Telescope

James Webb Telescope Delayed Until 2020...

NASA officials announced Wednesday that the James Webb Space Telescope launch would be delayed until approximately May 2020. But before the mission can launch, its managers may have to face Congress. The post James Webb Telescope Delayed Until 2020 appear...

 2018-03-27 18:51 

Sky & Telescope

Is 'Oumuamua an Interstellar Pancake?...

A new analysis of more than 800 telescopic observations suggests that our first known interstellar visitor could have the shape of a cigar or a fat disk. The post Is 'Oumuamua an Interstellar Pancake? appeared first on Sky & Telescope ....

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