Trans-Neptunian Objects
The sun's family of planets, including the Earth, as well as its other companions like comets, all formed from a disk of material that was present in the early days of the solar system. ...
Gamma Rays from a Binary Star
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Gamma-rays are the most energetic known form of light (that is, of electromagnetic radiation). A gamma ray is by definition at least a hundred thousand times more energetic than an optic...
Milky Way's Inner Beauty Revealed
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Saint Louis, MO
We live in the Milky Way galaxy - a disk-shaped collection of about 400 billion stars including the Sun. Many of those stars and much of the dense gas between the stars c...
Milky Way Mapping Project Finds Surprisingly Slow Stars
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Saint Louis, MO
Cosmic Rays ... Still Mysterious
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Cosmic rays are very rapidly moving nuclear particles that impact the earth from space, and generally originate from well beyond the solar system. The energies of these particles can be m...
Famous Supernovae Still Echo Across the Milky Way
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Cambridge, MA
Solar Eruption Seen in Unprecedented Detail
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Cambridge, MA
On April 9, the Sun erupted and blasted a bubble of hot, ionized gas into the solar system. The eruption was observed in unprecedented detail by a fleet of spacecraft, reve...
Milkomeda, Our Future Home
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Galaxies frequently collide with one another, leaving evidence for their stupendous interactions nearly everywhere in the sky. Our own Milky Way galaxy, for example, is heading towards it...
A Shocking Discovery
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The complex sequence of events that lead to star formation, processes once thought to involve just the simple coalescence of material under the influence of gravity, continues to amaze an...
Conference Will Discuss Uses of World's Largest Database on Atmospheric Gases
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Cambridge, MA
What do military detections of jet aircraft, space-based Earth observations, and studies of distant, extrasolar planets have in common? All make use of HITRAN, which stands...