Astronomy
- 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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- Astronomy
Solar explosion forms ‘Canyon of Fire’
Just when the sun was looking especially lethargic, a violent eruption left behind a vast chasm of superheated gas on the solar surface.
- Astronomy
Black hole spurts jets of iron and nickel
New observations show that the jets of black hole 4U 1630-47 carry massive particles such as iron and nickel atoms instead of the typical low-mass particles such as electrons.
- Astronomy
Moon’s craters remeasured
Large craters cover more of the moon’s surface on its nearside than its farside, according to new maps from NASA’s GRAIL spacecrafts.
- Astronomy
Strange six-tailed asteroid makes a scene
In September, scientists used the Hubble Space Telescope to image the object and were shocked to see its cometlike appearance.
