Posts Tagged ‘radio’

Fast Radio Bursts Might Come From Nearby Stars

December 13, 2013 Leave a comment

Credit: NASA

Credit: NASA

First discovered in 2007, “fast radio bursts” continue to defy explanation. These cosmic chirps last for only a thousandth of a second. The characteristics of the radio pulses suggested that they came from galaxies billions of light-years away. However, new work points to a much closer origin – flaring stars within our own galaxy.

“We propose that fast radio bursts aren’t as exotic as astronomers first thought,” says lead author Avi Loeb of the Harvard-Smithsonian Center for Astrophysics (CfA).

Fast radio bursts are both brief and bright, packing a lot of energy into a short time. Only six have been discovered to date, all of them in archival data. Each was detected only once, making follow-up studies difficult.

A detailed analysis of the bursts showed that the pulses passed through a large column of electrons on their way to Earth. If those electrons were spread out across intergalactic space, then the pulses must have crossed billions of light-years. As a result, they would have to come from extremely energetic events. Gamma-ray bursts don’t produce the right radio frequencies, so astronomers looked to other extreme events like the collapse of a neutron star into a black hole.

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NASA Engages Public With New Custom Internet Radio Station

December 12, 2011 Leave a comment

NASA’s mission of discovery and exploration will be showcased in a custom-produced Internet music radio station that is crafted specifically to speak the language of tech-savvy young adults.

Third Rock – America’s Space Station is set to launch with a New Rock/Indie/Alternative format on Monday, Dec. 12. The station is being developed and operated at no cost to the government through a Space Act Agreement. Third Rock can be reached from NASA’s home page,, and will soon be available through NASA iPhone and Droid mobile applications.

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New Radio Program Highlights And Inspires Innovation

September 2, 2011 Leave a comment

NASA and the National Institute of Aerospace (NIA) are launching a national radio program and podcast series that features compelling stories of revolutionary ideas, emerging technologies and the people behind the concepts that are shaping our future.

‘Innovation Now’, the series of 90-second radio segments, debuts Sept. 1, online and on WHRV 89.5 FM in Norfolk, Va.

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