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Latest Galaxies Stories

Crowded Star Clusters Defy Simple View Of Gravity
2013-02-21 09:00:07

On large astronomical scales, gravity remains the dominant force acting on heavenly bodies. But when it comes to young clusters of stars, researchers say these crowded environments cannot be fully accounted for by a simple view of gravity.

Astronomers Discover Youngest Black Hole In Milky Way
2013-02-13 12:11:40

Astronomers using NASA's Chandra X-ray Observatory claim that matter was ejected at high speeds along the poles of a rotating star, creating a supernova remnant, W49B, which may contain a young black hole.

Supermassive Black Holes Podcast
2013-02-13 11:56:55

In today's Your Universe Today Podcast, we talked with theoretical physicist Dr. Kelly Holley-Bockelmann about mysterious supermassive black holes, which are millions or billions times larger than our Sun.

Astronomers Rethink Black Hole Growth Rate
2013-02-12 18:38:49

New research published in the Astrophysical Journal suggests black holes are growing at larger rates than what had previously been thought possible.

Weighing In On Supermassive Black Holes
2013-01-31 20:08:54

Black holes of any size are mysterious, seemingly breaking through the barriers of the physical laws that guide our Universe.

Facts About Black Holes Podcast
2013-01-28 09:23:01

On today’s Your Universe Today podcast, theoretical physicist Dr. Kelly Holley-Bockelmann is back to discuss facts about black holes and help us separate myth from reality.

How Stars Die And Black Holes Form: Your Universe Today Podcasts
2013-01-23 12:17:54

In this podcast, Dr. John Millis spoke with Vanderbilt's theoretical physicist Kelly Holley-Bockelmann about how stars die and black holes form.

How Big Can Black Holes Get?
2012-12-19 07:56:28

According to a study using data from NASA's Chandra X-ray Observatory, there may be more ultramassive black holes in the Universe than previously thought.


Latest Galaxies Reference Libraries

6_8304cd2002012eb0093845e374a1b9612
2004-10-19 04:45:42

Supermassive Black Hole -- A Supermassive black hole is a black hole with a mass in the range of millions or billions solar masses. A supermassive black hole has some interesting properties differing from his low-mass cousins: -- The average density of a supermassive black hole can be very low, and actually can be lower than water's density. This happens because the black hole diameter increases linearly with mass, and consequently density drops much faster. -- Strong tidal...

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Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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