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 2018-01-15 14:00 

Sky & Telescope

Galaxies Show Order in Chaotic Young Universe...

New observations of galaxies in a universe just 800 million years old show that they've already settled into rotating disks. They must have evolved quickly to display such surprising maturity. Our cosmos was a messy youngster. Hotter and denser than t...

 2018-01-12 20:41 

Sky & Telescope

Some Plants Grow Well in Martian Soil...

Astrobiology students cultivated leafy greens, sweet potatoes, and even hops in simulated Martian dirt. The post Some Plants Grow Well in Martian Soil appeared first on Sky & Telescope ....

 2018-01-12 16:07 

Sky & Telescope

Ringed Disks Don't Always Mean Planets...

Astronomers presenting at the winter American Astronomical Society meeting caution that the features often pointed to as evidence of growing natal planets could form on their own. The post Ringed Disks Don't Always Mean Planets appeared first on Sky &...

 2018-01-12 14:02 

Sky & Telescope

Comet Discoverer Thomas Bopp (19492018)...

An unassuming amateur astronomer forever linked to one of the greatest comets in modern history has passed away. The post Comet Discoverer Thomas Bopp (19492018) appeared first on Sky & Telescope ....

 2018-01-11 16:55 

Sky & Telescope

Mysterious Cosmic Bursts Traced to Extreme Environment...

A repeating fast radio burst first detected in 2012 likely formed within a potent magnetic field — opening up the ambiguity of what caused the mysterious burst. The post Mysterious Cosmic Bursts Traced to Extreme Environment appeared first on Sky & ...

 2018-01-10 18:49 

Sky & Telescope

Metal-rich Stars Host Closer Planets...

Iron-rich stars host planets on closer orbits than their iron-poor siblings, astronomers find. The results could help reveal how planets form. The post Metal-rich Stars Host Closer Planets appeared first on Sky & Telescope ....

 2018-01-06 20:22 

Sky & Telescope

Hefty Stars Prompt Birth Debate...

A new study found more massive stars than expected in an intensely star-forming region. The results beg the question whether the process of star formation really is universal. The post Hefty Stars Prompt Birth Debate appeared first on Sky & Telescope ....

 2018-01-05 16:44 

Sky & Telescope

More Planets in the Hyades Cluster...

A few weeks ago, Astrobites reported on a Neptune-sized planet discovered orbiting a star in the Hyades cluster. A separate study submitted at the same time, however, reveals that there may be even more planets lurking in this system. The post More Planet...

 2018-01-04 14:51 

Sky & Telescope

The Sun Might Have Formed in a Giant Star's Bubble...

A new theory of the solar system's formation suggests that it formed within the shell of a wind-blown bubble surrounding a dead star. The post The Sun Might Have Formed in a Giant Star's Bubble appeared first on Sky & Telescope ....

 2018-01-03 21:12 

Sky & Telescope

New Observations of the "Most Mysterious Star in the Galaxy"...

New data on Boyajian's Star show that dust — not an alien megastructure — is probably the cause of this star's mysterious behavior. The post New Observations of the "Most Mysterious Star in the Galaxy" appeared first on Sky & T...

 2018-01-03 16:26 

Sky & Telescope

Mars Flies By Jupiter in a Close Dawn Conjunction...

The new year opens with the magnificent pairing of the solar system's largest planet with one of its smallest. The post Mars Flies By Jupiter in a Close Dawn Conjunction appeared first on Sky & Telescope ....

 2018-01-02 17:04 

Sky & Telescope

Poor Year for the Quadrantid Meteor Shower...

The Quadrantid meteor shower is usually one of the year's best. But this year's event will be spoiled by strong light from an intruding Moon. The post Poor Year for the Quadrantid Meteor Shower appeared first on Sky & Telescope ....

 2018-01-02 17:04 

Sky & Telescope

January's Total Lunar Eclipse...

On Wednesday, January 31, 2018, the first total lunar eclipse in more than two years graces the skies above North America. The Western United States, including Alaska and Hawaii, has the best view. The post January's Total Lunar Eclipse appeared first...

 2018-01-02 14:00 

Sky & Telescope

How We Create the "Skygazer's Almanac"...

Sky & Telescope's year-at-a-glance guide to celestial happenings is a symphony of detailed calculations and clear, elegant design. The post How We Create the "Skygazer's Almanac" appeared first on Sky & Telescope ....

 2018-01-01 14:00 

Sky & Telescope

Looking Ahead: Space Missions for 2018...

The next year will see space missions headed for Mars, Mercury, the Sun, and more. Asteroid rendezvous, exoplanet discoveries, and a Mars landing await. The post Looking Ahead: Space Missions for 2018 appeared first on Sky & Telescope ....

 2017-12-29 14:47 

Sky & Telescope

Tour January's Sky: Planet Pairings at Dawn...

January's astronomy podcast describes how to spot Mercury, Mars, Jupiter, and Saturn in the predawn sky during January — plus you'll learn about a "trifecta" full Moon at month's end. The post Tour January's Sky: Planet Pairi...

 2017-12-29 14:00 

Sky & Telescope

Top 10 Astronomy News Stories for 2017...

Multiple gravitational-wave detections, a total solar eclipse, and exploration of the outer system number among the top astronomy news stories of the year. The post Top 10 Astronomy News Stories for 2017 appeared first on Sky & Telescope ....

 2017-12-28 13:05 

Sky & Telescope

Solar and Lunar Eclipses in 2018...

Two total lunar eclipses occur this year, the first since late 2015, in January and July. Meanwhile, three solar eclipses take place in 2018 — all of them only partial cover-ups. The post Solar and Lunar Eclipses in 2018 appeared first on Sky & Tele...

 2017-12-27 15:55 

Sky & Telescope

The Best Meteor Showers in 2018...

More than a dozen times each year, we experience a pulse of "shooting stars" from an annual meteor shower. Sky & Telescope predicts that the two best meteor showers in 2018 will be the Perseids in mid-August and the Geminids in mid-December. The p...

 2017-12-25 12:22 

Sky & Telescope

What to See with Your New Telescope...

Maybe you just got a shiny new telescope to call your own. Congratulations — you could be on your way to discovering many amazing, far, deep things in the night sky. Although most of them are so far and faint that just locating and detecting them is...

 2017-12-21 20:42 

Sky & Telescope

Neutron-star Smashup Might Have Choked Its Own Jet...

LIGO's neutron-star smashup might not have been a typical short gamma-ray burst. If true, the detection points toward a new class of gamma-ray bursts — but the jury is still out. The post Neutron-star Smashup Might Have Choked Its Own Jet appear...

 2017-12-21 17:00 

Sky & Telescope

Two Finalists for NASA's New Frontiers...

NASA has selected two finalists for consideration as the next New Frontiers mission: a comet sample return and a flying drone for Titan. The post Two Finalists for NASA's New Frontiers appeared first on Sky & Telescope ....

 2017-12-20 18:00 

Sky & Telescope

60-Second Astronomy News: Dec. 20, 2017...

This week's roundup of astro news brings us a polar-orbiting planet, a novel way to measure stellar masses, and ginormous convective bubbles on a distant star. The post 60-Second Astronomy News: Dec. 20, 2017 appeared first on Sky & Telescope ....

 2017-12-19 13:18 

Sky & Telescope

'Oumuamua Update: Red, Tumbling, and Silent...

Astronomers' recent observations of our first-known interstellar visitor reveal that it is very strange indeed. The post 'Oumuamua Update: Red, Tumbling, and Silent appeared first on Sky & Telescope ....

 2017-12-18 15:21 

Sky & Telescope

Explore The Southern Sky with SkyMapper...

A new telescope called the SkyMapper has charted stars and galaxies across the southern sky, producing a map called "the best ever created." The post Explore The Southern Sky with SkyMapper appeared first on Sky & Telescope ....

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