Astronomy
- Astronomy
Comet ISON was punier than previously thought
The ice ball was probably no wider than New York’s Central Park.
- Astronomy
Galaxy’s cloud catalog reveals hydrogen fog
Fifty percent of the molecular hydrogen exists in a gas layer that spreads throughout the Whirlpool galaxy and envelopes the giant clouds where stars form.
- Astronomy
Saturn’s six-sided cloud pattern gets a close look
New images show particles in the planet’s hexagonally shaped jet stream.
- Astronomy
Sun’s rotation driven by enormous plasma flows
Long-lasting plasma flows 15 times the diameter of Earth transport heat from the sun’s depths to its surface, helping explain solar rotation.
- Astronomy
ISON appears to have broken up after brush with sun
Comet ISON has disintegrated in the sun’s intense heat and gravity, according to a growing consensus among astronomers.
- Planetary Science
Moon wears dusty cloak
Old data from Apollo missions stir up debate about speed of lunar dust accumulation.
- Astronomy
ISON seems to have survived close call with sun
Comet ISON seems to have emerged from its brush with the sun diminished but intact, according to the latest reports.
- Astronomy
Comet ISON approaches sun for Thanksgiving flyby
On Thanksgiving, Comet ISON will pass near the sun and may disintegrate.
- Astronomy
Dust cloud, tail could explain exoplanet’s odd light pattern
KIC 12557548 b may be ejecting dust from its surface, creating a cometlike tail behind it and an opaque envelope of material around it.
- Astronomy
Bright gamma-ray burst tests idea of event’s origins
High-energy light particles suggest that physicists need to revise their theories explaining the origin of these cosmic blasts.
- Astronomy
High-energy neutrinos ensnared from beyond the solar system
Speedy particles detected in Antarctica may point to gargantuan black holes or cataclysmic explosions.
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