Sentences with phrase «long radio pulses»
True, astronomers still don't know the origins of these extragalactic milliseconds - long radio pulses, and until this year fewer than 20 had ever been detected.
http://discovermagazine.com/ Not exact matches
Last week, a scientific paper suggested that the powerful, milliseconds - long pulses of radio waves from space result when superdense burnt - out stars called neutron stars collide and perish in remote galaxies.
Pulsar timing arrays (PTAs) monitor the arrival times of radio pulses from numerous pulsars to search for shifts caused by passing long - wavelength gravitational waves.
«This was particularly intriguing because radio pulses don't come from an X-ray binary and the X-ray source has to be long gone before radio signals can emerge.»
Until recently, we had seen fewer than 20 of these milliseconds - long pulses of radio waves, and they have been attributed to everything from quasars to aliens.