Astronomers measure mass of smallest black hole in a galactic nucleus

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NGC 4395
A group led by astronomers from Ohio State University and the Technion-Israel Institute of Technology have measured the mass of a unique black hole, and determined that it is the smallest found so far.
Early results indicate that the black hole weighs in at less than a million times the mass of our sun – which would make it as much as 100 times smaller than others of its type.


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All News summaries for February 19, 2005

Cluster watches Earth's leaky atmosphere

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Oxygen is constantly leaking out of Earth’s atmosphere and into space. Now, ESA’s formation-flying quartet of satellites, Cluster, has discovered the physical mechanism that is driving the escape. It turns ...

Crystals improve understanding of volcanic eruption triggers

1 hour ago | User rating: not rated yet
Scientists have exploited crystals from lavas to unravel the records of volcanic eruptions. The team, from Durham University and the University of Leeds, studied crystal formation from a volcano, in Santorini, ...

Arctic ice on the verge of another all-time low

4 hours ago | User rating: not rated yet
Following last summer's record minimum ice cover in the Arctic, current observations from ESA's Envisat satellite suggest that the extent of polar sea-ice may again shrink to a level very close to that of ...

Fay leaves behind lots of water for Fla. lake

Aug 27, 2008 | User rating: not rated yet
(AP) -- Tropical Storm Fay brought some good news to the state's parched Everglades and its liquid heart, Lake Okeechobee - lots and lots of water.

Ice Cold Sunrise on Mars

Aug 27, 2008 | User rating: not rated yet
(PhysOrg.com) -- From the location of NASA's Phoenix Mars Lander, above the Martian arctic circle, the sun does not set during the peak of the Martian summer.
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