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Showing results 221 - 230 of 236
Radio image of Betelgeuse's atmosphere
VLA Shows Boiling in Atmosphere of Betelgeuse
April 8, 1998 at 2:05 pm | News Release

A team of astronomers says that observations with the National Science Foundation’s Very Large Array radio telescope show that a neighboring bloated star has giant convective plumes propelling gas from its surface up into the star’s atmosphere.

VLBA station
Gamma-ray Fireball Measured by Radio Telescopes
September 17, 1997 at 6:45 pm | News Release

A team of astronomers using a pair of National Science Foundation radio telescopes has made the first measurements of the size and expansion of a mysterious, intense fireball resulting from a cosmic gamma ray burst last May.

Active galaxy PKS 1519-273
First Images with Space Radio Telescope
July 2, 1997 at 6:44 pm | News Release

Marking an important new milestone in radio astronomy history, scientists at the National Radio Astronomy Observatory in Socorro, New Mexico, have made the first images using a radio telescope antenna in space.

VLBA station
Bizarre Behavior of Gamma-ray Burster
June 10, 1997 at 6:42 pm | News Release

Radio astronomers revealed that the first gamma-ray burster ever detected at radio wavelengths has surprised them by its erratic behavior.

The VLA 11
Very Large Array Detects Radio Emission from Gamma-ray Burst
May 15, 1997 at 6:38 pm | News Release

Astronomers have used the National Science Foundation’s Very Large Array radio telescope to make the first detection of radio emission from a cosmic gamma-ray burst.

The VLA 11
Axis of Universe Not Seen in Data, Astronomers Say
April 30, 1997 at 6:37 pm | News Release

A claim that the universe has a preferred direction is not supported by recent observational evidence, according to three astronomers who analyzed data from the Very Large Array radio telescope in New Mexico and the WM Keck Telescope in Hawaii.

Graphic depicting the path of Sco X1
Microquasar Discoveries Win Prize for Astronomers
January 15, 1997 at 7:31 pm | Announcement

The discovery of microquasars within our own Milky Way Galaxy has won two astronomers a prize from the High Energy Astrophysics Division of the American Astronomical Society.

Graphic on jet emission, water molecule disk, and central black hole
On the Origin of Galactic Jets
January 9, 1997 at 7:29 pm | News Release

An extraordinary cosmic laboratory 21 million light-years away is providing radio astronomers their best opportunity yet to decipher the mysteries of the ultra-powerful engines at the hearts of many galaxies and quasars.

The Very Large Array
Upgrading the VLA
June 10, 1996 at 6:26 pm | Announcement

A VLA upgrade proposes an essentially new instrument, created from two existing instruments, with power and capability far exceeding that of either one alone.

12-meter telescope
Extrasolar Planet Hunt with Millimeter-wave Telescopes
January 17, 1996 at 7:22 pm | News Release

Do nearby stars have planetary systems like our own? How do such systems evolve? How common are such systems? Proposed radio observatories operating at millimeter wavelengths could start answering these questions within the next 6-10 years, according to scientists at the National Radio Astronomy Observatory.

Showing results 221 - 230 of 236