News
Youngstown State Astronomers Make Their Precious Hubble Time Pay Off
When Pat Durrell of Youngstown State University (YSU) and his team of astronomers were granted time to use the Hubble Space Telescope to conduct research, his hope was to discover stars that had been ripped away from galaxies. He found the stars... and much, much more. The team discovered a new, never-before-detected dwarf galaxy and four unknown star clusters in Virgo.
Dwarf Galaxy on Collision Course with the Milky Way has Already Breached the Perimeter
Princeton and University of Washington astronomers have detected a previously undiscovered dwarf galaxy on a collision course with our Milky Way Galaxy. The yet unnamed dwarf galaxy appears to have already breached the perimeter of the Milky Way and currently lies about 30,000 light years from Earth. This dwarf galaxy is apparently so close and its stars are spread over such a huge swath of the sky, that until now it has been lost in the sea of more numerous Milky Way stars. In effect, the galaxy is so close that we couldn't see it before, even though some of its individual stars have been observed with telescopes for centuries.
RIT Astronomers Peek into a Black Hole
Astronomers have been trying for a long time to understand how matter is pulled down towards a black hole. Directly watching the feeding process requires very high spatial resolution at the center of galaxies. A new study by Rochester Institute of Technology (RIT) astronomers of Galaxy NGC 1097 provides the best glimpse yet of the death spiral of material as it descends into the core of a large black hole on a one-way trip into oblivion. The researchers peek to within 10 light-years of the galactic core.
Dust Found in Earth Sediment Traced to Breakup of the Asteroid Veritas 8.2 Million Years Ago
PASADENA, Calif.--In a new study that provides a novel way of looking at our solar system's past, a group of planetary scientists and geochemists announce that they have found evidence on Earth of an asteroid breakup or collision that occurred 8.2 million years ago. <b>NOTE: French, German, Italian, and Spanish translations follow...</b>
Two Exiled Stars Are Leaving Our Galaxy Forever
Cambridge, MA - TV reality show contestants aren't the only ones under threat of exile. Astronomers using the MMT Observatory in Arizona have discovered two stars exiled from the Milky Way galaxy. Those stars are racing out of the Galaxy at speeds of more than 1 million miles per hour - so fast that they will never return. <b>NOTE: French, German, Italian, and Spanish translations follow...</b>
The Milky Way Galaxy is Warped
UMass and Berkeley astrophysicists belive that two of the Milky Way's satellite galaxies - the Large and Small Magellanic Clouds - are interacting with dark matter in the Milky Way to create a mysterious warp in our galactic disk. The warp, which extends across the entire 200,000-light year diameter of the galaxy, has been described by the researchers in terms of a rather simple mathematical model.
New Horizons is on a Fast Track to Pluto
The New Horizons spacecraft will cross the entire 3 billion mile span of the solar system and conduct flyby studies of Pluto and Charon in 2015. NASA's most powerful launcher, the Atlas 5, rocketed the spacecraft away from Earth at a record 36,000 miles per hour. At that speed, and with a "gravity slingshot assist" it will get from Jupiter in 2007, the spacecraft will take over 9 years to reach Pluto.
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