News tagged with spiral

Why does the Milky Way rotate?

We live in a galaxy that is called the Milky Way. It's called a barred spiral galaxy, which means that it has a spiral shape with a bar of stars across its middle. The galaxy is rather huge—at least 100,000 ...

Feb 11, 2015
3.3 / 5 (23) 30

Earliest spiral galaxy ever seen: a shocking discovery

(Phys.org) -- Astronomers have witnessed for the first time a spiral galaxy in the early universe, billions of years before many other spiral galaxies formed. In findings reported July 19 in the journal Nature, the as ...

Jul 18, 2012
4.7 / 5 (40) 82 | with audio podcast

Galaxies fed by funnels of fuel

(Phys.org) —Computer simulations of galaxies growing over billions of years have revealed a likely scenario for how they feed: a cosmic version of swirly straws.

May 24, 2013
4.2 / 5 (10) 36 | with audio podcast

WISE finds few brown dwarfs close to home

(Phys.org) -- Astronomers are getting to know the neighbors better. Our sun resides within a spiral arm of our Milky Way galaxy about two-thirds of the way out from the center. It lives in a fairly calm, suburb-like ...

Jun 08, 2012
4.6 / 5 (12) 3 | with audio podcast

X-rays discovered from young supernova remnant

(Phys.org) -- Over fifty years ago, a supernova was discovered in M83, a spiral galaxy about 15 million light years from Earth. Astronomers have used NASA's Chandra X-ray Observatory to make the first detection ...

Jul 31, 2012
4.3 / 5 (6) 0 | with audio podcast

Hubble views the star that changed the universe

(PhysOrg.com) -- Though the universe is filled with billions upon billions of stars, the discovery of a single variable star in 1923 altered the course of modern astronomy. And, at least one famous astronomer ...

May 23, 2011
4.3 / 5 (6) 51 | with audio podcast

The tell-tale signs of a galactic merger

The NASA/ESA Hubble Space Telescope has captured this striking view of spiral galaxy NGC 7714. This galaxy has drifted too close to another nearby galaxy and the dramatic interaction has twisted its spiral ...

Jan 29, 2015
4.5 / 5 (8) 3