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10 Astonishing Things You Should Know About the Milky Way

4 days agoHumor / odd : mental_floss

Here are a few things you might not know about our spiraling home in the universe.

Image: Gaia avionics model

ESA's Gaia observatory was launched in December 2013, and is now surveying our Milky Way, creating one of the most accurate-ever maps of the stars in our home galaxy and helping to answer questions about its origin and evolution.

Dark Energy Survey spots remains of 11 galaxies devoured by the Milky Way

The first intriguing findings have been released from the Dark Energy Survey, a project that's studying the sky to find clues about the mysterious force that seems to be accelerating the expansion of the universe. And among the dataShow More Summary

"Death Rays of the Cosmos" --Past and Future Extinction by Gamma Ray Burst (WATCH Today's 'Galaxy' Stream)

If a gamma ray sweeps over a planet, all complex life could be annihilated. Gamma ray bursts where more common in the past, and could have prevented intelligent life from evolving in the Milky Way (and other galaxies) for billions...        

The Milky Way Ate 11 Other Galaxies

Astronomers have discovered 11 new stellar streams -- remnants of smaller galaxies torn apart and devoured by our Milky Way. The finding is among the highlights of the first three years of survey data from the Dark Energy Survey -- research on about 400 million astronomical objects, including distant galaxies as well as stars in our own galaxy.... Show More Summary

10 Weird Things You (Probably) Didn't Know About the Milky Way

Sarlaccs might live in a galaxy far, far away, but our star-studded home has plenty of its own strange wonders.

Watch: NASA Video Shows You What The Universe Really Looks Like

last weekNews : Newsweek: US

See our own Milky Way galaxy before floating to a place where baby stars are formed.

360-degree video puts you at the center of the galaxy

A newly released 360-degree video lets you explore the galactic center of the Milky Way from the perspective of the supermassive black hole at the heart of our galaxy, Sagittarius A (Sgr A). The immersive simulation visualizes how aShow More Summary

Hubble probes the archeology of our Milky Way's ancient hub

For many years, astronomers had a simple view of our Milky Way's central hub, or bulge, as a quiescent place composed of old stars, the earliest homesteaders of our galaxy.

GBT detection unlocks exploration of 'aromatic' interstellar chemistry

Astronomers had a mystery on their hands. No matter where they looked, from inside the Milky Way to distant galaxies, they observed a puzzling glow of infrared light. This faint cosmic light, which presents itself as a series of spikes in the infrared spectrum, had no easily identifiable source. Show More Summary

Cosmic detectives find remains of galaxies eaten by Milky Way

Astronomers have discovered 11 new streams of alien stars in the Milky Way, gobbled up from other smaller galaxies. The post Cosmic detectives find remains of galaxies eaten by Milky Way appeared first on Skymania News. Republication on other sites is not permitted. [[ This is a content summary only. Visit my website for full links, other content, and more! ]]

France is Launching a Mini Satellite to Probe a Mysterious Planet System in Our Milky Way

France is set to launch a champagne box-sized mini satellite into Earth orbit on Friday to study a mysterious, juvenile planet system in our Milky Way galaxy, mission controllers said. The PicSat orbiter's target is the massive star Beta Pictoris...        

Champagne box-sized satellite to probe distant planet

France is set to launch a champagne box-sized mini satellite into Earth orbit on Friday to study a mysterious, juvenile planet system in our Milky Way galaxy, mission controllers said.

Scientists take viewers to the center of the Milky Way

A new visualization provides an exceptional virtual trip—complete with a 360-degree view—to the center of our home galaxy, the Milky Way. This project, made using data from NASA's Chandra X-ray Observatory and other telescopes, allows...Show More Summary

Swarm of hydrogen clouds flying away from center of our galaxy

A team of astronomers has discovered what appears to be a grand exodus of more than 100 hydrogen clouds streaming away from the center of the Milky Way and heading into intergalactic space. This observation, made with the National Science...Show More Summary

New stellar streams confirm 'melting pot' history of the galaxy

Where do the stars in our Galaxy come from? All the stars we see in the night-time sky belong to our Milky Way galaxy, and while most stars were likely born here, in the Milky Way, many appear to have originated in other galaxies and migrated to our shores. Show More Summary

Supermassive Black Holes 'Spawn' Dwarf Galaxies --"Outnumber Larger Galaxies Like Our Milky Way 50 to One"

"Dwarf galaxies outnumber larger galaxies like the Milky Way 50 to one," says lead researcher Dr Samantha Penny, of the University of Portsmouth Institute of Cosmology and Gravitation. "So if we want to tell the full story of galaxies, we...        

Nearby Starburst Surprises Scientists By Having Way Too Many Massive Stars

Our Milky Way galaxy isn't alone in this corner of space -- it's orbited by a few smaller dwarf galaxies, including the Large Magellanic Cloud. Inside that cloud is 30 Doradus (or the Tarantula Nebula), a "starburst" where stars are formed at a much higher rate than the surrounding area. And 30 Doradus has too many massive stars. More »      

Library of galaxy histories reconstructed from motions of stars

Just as the sun is moving within the Milky Way, all the stars in galaxies are moving, but with very different orbits. Some of the stars have strong rotations, while others may be moving randomly with no clear rotation. Comparing the fraction of stars on different orbits, researchers can determine how galaxies form and evolve. Show More Summary

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