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David Dickinson posted the thread Sky & Scope How Astronomers Used Asteroids to Measure Stars in RSS Feeds.

Astronomers have used a unique method and an extraordinary telescope array to reveal the diameters of distant stars. The post How...

Yesterday at 10:46 PM
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Astronomy Now posted the thread Astronomy Now SOFIA captures magnetic tapestry at the core of M82 in RSS Feeds.

M82, also known as the Cigar Galaxy thanks to its distinctive shape, is a familiar target for amateur and professional astronomers...

Yesterday at 12:27 PM
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Astronomy Now posted the thread Astronomy Now Five long-period exoplanets found after 20 years of observation in RSS Feeds.

A time exposure captures the Euler Telescope, operated by the University of Geneva at La Silla Observatory in Chile. The instrument uses...

Yesterday at 12:27 PM
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Space Telescope Science Institute posted the thread HubbleSite Hubble Celebrates 29th Anniversary with a Colorful Look at the Southern Crab Nebula in RSS Feeds.

This Hubble image shows the results of two stellar companions in a gravitational waltz, several thousand light-years from Earth in the...

Yesterday at 5:12 AM
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Monica Young posted the thread Sky & Scope Astronomers Find Stars Streaming from Our Galaxy’s Biggest Cluster in RSS Feeds.

Astronomers have discovered a stream of stars pulled from Omega Centauri, the largest and most brilliant globular cluster around the...

Yesterday at 5:12 AM
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Astronomy Now posted the thread Astronomy Now Mercury has a heart of iron; literally in RSS Feeds.

Mercury as imaged by NASA’s MESSENGER spacecraft. Image: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution...

Monday at 2:55 PM
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Space Telescope Science Institute posted the thread HubbleSite Tiny Neptune Moon Spotted by Hubble May Have Broken from Larger Moon in RSS Feeds.

The phrase "a chip off the old block" apparently also applies to the outer moons of our solar system. A tiny moon whirling around...

Monday at 4:16 AM
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Space Telescope Science Institute posted the thread HubbleSite Astronomers Uncover New Clues to the Star that Wouldn't Die in RSS Feeds.

It takes more than a massive outburst to destroy the mammoth star Eta Carinae, one of the brightest known stars in the Milky Way galaxy...

Monday at 4:16 AM
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Space Telescope Science Institute posted the thread HubbleSite Stellar Thief Is the Surviving Companion to a Supernova in RSS Feeds.

In the fading afterglow of a supernova explosion, astronomers using NASA’s Hubble Space Telescope have photographed the first image of a...

Monday at 4:16 AM
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Space Telescope Science Institute posted the thread HubbleSite Hubble Uncovers the Farthest Star Ever Seen in RSS Feeds.

Through a quirk of nature called “gravitational lensing,” a natural lens in space amplified a very distant star’s light. Astronomers...

Monday at 4:16 AM
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Space Telescope Science Institute posted the thread HubbleSite Kepler Solves Mystery of Fast and Furious Explosions in RSS Feeds.

The universe is so huge that it's estimated that a star explodes as a supernova once every second. Astronomers capture a small fraction...

Monday at 4:16 AM
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Space Telescope Science Institute posted the thread HubbleSite NASA Finds a Large Amount of Water in an Exoplanet's Atmosphere in RSS Feeds.

Using Hubble and Spitzer space telescopes, scientists studied the “hot Saturn” called WASP-39b — a hot, bloated, Saturn-mass exoplanet...

Monday at 4:16 AM
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Space Telescope Science Institute posted the thread HubbleSite Hubble Probes Atmospheres of Exoplanets in TRAPPIST-1 Habitable Zone in RSS Feeds.

Only 40 light-years away — a stone’s throw on the scale of our galaxy — several Earth-sized planets orbit the red dwarf star TRAPPIST-1...

Monday at 4:16 AM
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Space Telescope Science Institute posted the thread HubbleSite NASA Missions Catch First Light From a Gravitational-Wave Event in RSS Feeds.

When some people get in the kitchen, they create a delicious meal but leave behind a chaotic mess of splattered food and dirty dishes...

Monday at 4:16 AM
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Space Telescope Science Institute posted the thread HubbleSite Mini-Flares Potentially Jeopardize Habitability of Planets Circling Red Dwarf Stars in RSS Feeds.

Solar flares and associated eruptions can trigger auroras on Earth or, more ominously, damage satellites and power grids. Could flares...

Monday at 4:16 AM

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