North Liberty’s best kept secret looks like a giant satellite dish nestled in a wooded area between North Liberty and ...

Astronomers have witnessed a monster supermassive black hole erupting with a light-year-long jet traveling at one-third the ...

When fed with matter, such black holes eject jets of charged particles in two directions at the speed of light. If a jet ...

Making use of the Very Long Baseline Array (VLBA) of the National Radio Astronomy Observatory, the international Very Long Baseline Interferometry (VLBI) Network, and the VLBI Space Observatory ...

"This work contains one observation with the Very Long Baseline Array and three observations with the Very Large Array, all ...

The blazar, named J0410–0139, is located about 12.9 billion light-years away at the center of a galaxy. This makes it the ...

Abstract: A comparison between low-frequency space very long baseline interferometry (VLBI ... Observations made with the VSOP antenna HALCA together with a ground array at wavelength 1.6 GHz provide ...

Abstract: We present results on the compact steep-spectrum quasar 3C 48 from observations with the Very Long Baseline Array (VLBA), the Multi-Element Radio Linked Interferometer Network (MERLIN) and ...

I also make radio measurements with the Very Long Baseline Array, studying the very fine structure of these objects. Statistical analysis of the structure and internal motions gives information on the ...

including the Very Long Baseline Array (VLBA). With the VLBA's ability to distinguish features less than a light-year across, even at 270 million light-years away, what they discovered was a ...