Astrophysical Journal

ALMA measures size of seeds of planets

Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA), have for the first time, achieved a precise size measurement of small dust particles around a young star through radio-wave polarization. ALMA's high ...

dateDec 05, 2016 in Astronomy
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Space telescopes pinpoint elusive brown dwarf

In a first-of-its-kind collaboration, NASA's Spitzer and Swift space telescopes joined forces to observe a microlensing event, when a distant star brightens due to the gravitational field of at least one foreground cosmic ...

dateNov 10, 2016 in Astronomy
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NASA missions harvest a passel of 'pumpkin' stars

Astronomers using observations from NASA's Kepler and Swift missions have discovered a batch of rapidly spinning stars that produce X-rays at more than 100 times the peak levels ever seen from the sun. The stars, which spin ...

dateOct 27, 2016 in Astronomy
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