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 2018-09-19 20:38 

Sky & Telescope

Pattern in Milky Way's Stars Suggests Recent Galactic Whack...

An unexpected pattern in the Milky Way's disk of stars points to a recent whack from another galaxy. The post Pattern in Milky Way's Stars Suggests Recent Galactic Whack appeared first on Sky & Telescope ....

 2018-09-18 13:36 

Sky & Telescope

Sunspot Solar Observatory Reopens After Mysterious Shutdown...

After a 10-day lockdown to cooperate with a criminal investigation, Sunspot Solar Observatory is back to looking at the Sun. The post Sunspot Solar Observatory Reopens After Mysterious Shutdown appeared first on Sky & Telescope ....

 2018-09-17 21:50 

Sky & Telescope

Dawn Probes History of Cryovolcanism on Ceres...

A recent analysis of data from NASA's Dawn spacecraft reveals the role of cryovolcanism past — and likely present — on the giant asteroid Ceres. The post Dawn Probes History of Cryovolcanism on Ceres appeared first on Sky & Telescope ....

 2018-09-17 15:54 

Sky & Telescope

Super-Earth Discovered in (Fictional) Vulcan System...

Thirty years ago, Gene Roddenberry, of Star Trek fame, and three astronomers made the case that the orange-hued star 40 Eridani A ought to host Vulcan, Mr. Spock's home. Now, a robotic survey has discovered a planet around that very star. The post Sup...

 2018-09-14 19:15 

Sky & Telescope

60-Second Astro News: Starbirth, Stardeath, and the Evolution of Galaxies...

Starbirth and stardeath light up a nearby galaxy while faraway galaxies twist and bend in these new images from NASA's Hubble and Chandra space observatories. The post 60-Second Astro News: Starbirth, Stardeath, and the Evolution of Galaxies appeared ...

 2018-09-14 14:46 

Sky & Telescope

Stars Shine Brightly for Acadia Night Sky Festival...

Last weekend the 10th edition of what has become a major stargazing event drew thousands of visitors to Mount Desert Island in Maine. The post Stars Shine Brightly for Acadia Night Sky Festival appeared first on Sky & Telescope ....

 2018-09-12 18:24 

Sky & Telescope

Seen at Last: A Superfast Jet Streams Away from Neutron-star Smashup...

A new finding suggests that LIGO's neutron-star merger was a typical gamma-ray burst after all. The post Seen at Last: A Superfast Jet Streams Away from Neutron-star Smashup appeared first on Sky & Telescope ....

 2018-09-12 13:00 

Sky & Telescope

What Makes Supernovae Superluminous?...

A new technique gives astronomers a closer look at what makes some stellar carnage so incredibly luminous. The post What Makes Supernovae Superluminous? appeared first on Sky & Telescope ....

 2018-09-11 13:00 

Sky & Telescope

Typo Throws Off Timing for Expected Binary Star Merger...

Revised data changed expectations for a star pair that was supposed to merge in 2022. The post Typo Throws Off Timing for Expected Binary Star Merger appeared first on Sky & Telescope ....

 2018-09-10 18:01 

Sky & Telescope

NASA's Cassini Sees Saturn's Towering Polar Hexagon...

Cassini's legacy sheds more light on the strange mystery of Saturn's northern polar hexagon. The post NASA's Cassini Sees Saturn's Towering Polar Hexagon appeared first on Sky & Telescope ....

 2018-09-05 17:01 

Sky & Telescope

Jupiter's Magnetic Field Has Weird Structure...

Juno observations reveal that Jupiter's magnetic field has a wacky plume. The post Jupiter's Magnetic Field Has Weird Structure appeared first on Sky & Telescope ....

 2018-09-04 16:30 

Sky & Telescope

Middleweight Black Holes Provide Window to Early Universe...

How did supermassive black holes form? Two studies discovered dozens of middling-mass black holes in dwarf galaxies to fuel an ongoing debate. The post Middleweight Black Holes Provide Window to Early Universe appeared first on Sky & Telescope ....

 2018-09-01 01:46 

Sky & Telescope

Scientists Successfully Predicted the Shape of the Solar Corona...

Scientists predicted the shape of the solar corona as it would be seen during the August 21, 2017, total solar eclipse. Observations confirmed that they got the broad strokes right. The post Scientists Successfully Predicted the Shape of the Solar Corona ...

 2018-08-31 12:36 

Sky & Telescope

Tour September's Sky: Goodbye, Venus!...

As told in this month's astronomy podcast, Venus is disappearing in the west after sunset. So September offers you a final chance to see four bright planets at once. The post Tour September's Sky: Goodbye, Venus! appeared first on Sky & Telescope ...

 2018-08-28 13:00 

Sky & Telescope

Astronomers "Weigh" Beta Pictoris b...

Astronomers have a precise new mass measurement for Beta Pictoris b, a young gas giant still in the throes of formation 63 light-years from Earth. The post Astronomers "Weigh" Beta Pictoris b appeared first on Sky & Telescope ....

 2018-08-27 16:09 

Sky & Telescope

Osiris-REX's First Views of Asteroid Bennu...

NASA's Osiris-REX asteroid sample return mission spies target Bennu for the first time. Now the spacecraft is setting up for its close approach in December. The post Osiris-REX's First Views of Asteroid Bennu appeared first on Sky & Telescope ....

 2018-08-27 13:00 

Sky & Telescope

Arecibo Observatory Emerges from Storm with $6M Upgrade...

The famed Arecibo Observatory has faced down several funding challenges in recent years, and a hurricane to boot, but now a new project is making the radio dish more relevant to astronomy than ever. The post Arecibo Observatory Emerges from Storm with $6M...

 2018-08-24 14:06 

Sky & Telescope

Direct Evidence of Water Ice at the Moon's Poles...

After more than a decade of tantalizing but inconclusive hints, new research shows convincingly that patches of water ice lie exposed on the floors of many permanently shadowed lunar craters. The quest to find water on the Moon is a scientific pendulum th...

 2018-08-24 13:00 

Sky & Telescope

Rover Call Home: NASA Listens for Opportunity's Wake-up...

The Opportunity rover fell silent in June after nearly 15 years of work on the Red Planet. Now the dust storm that prevented its batteries from charging is clearing. NASA expects its long-running Opportunity Mars rover will wake up sometime in the next fe...

 2018-08-22 18:09 

Sky & Telescope

60-second Astro News: Three Stunning Astronomy Pictures...

In astronomy news this week: A stunning just-released photo of last year's eclipse, 15,000 galaxies revealed in Hubble's new ultraviolet view of the deep sky, and watching star formation in action in the spiral galaxy M74. The post 60-second Astro...

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