Astronomy
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Astronomy
Puny Parent? Planets may form around tiny orbs
Barely more massive than a planet itself, a tiny failed star 500 light-years from Earth is nonetheless cloaked in a disk of gas and dust from which planets may coalesce.
By Ron Cowen -
Astronomy
Hubble views bar in galaxy
The Hubble Space Telescope has captured a strikingly detailed image of the starlit arms, glowing gas, and dark dust clouds of a barred spiral galaxy called NGC 1300, which lies 69 million light-years from Earth.
By Ron Cowen -
Astronomy
Black Hole Bonanza: 10,000 objects near our galaxy’s center
Astronomers have found the first evidence of a suspected population of black holes near the Milky Way's center, each hole with 10 times the mass of the sun.
By David Shiga -
Astronomy
Stars in the dust
The dusty disks surrounding three nearby stars show that they played host to massive collisions between asteroid-like objects as recently as 100 years ago.
By David Shiga -
Astronomy
Zooming in on a great void
New X-ray observations provide the most detailed view yet of the environment near a supermassive black hole.
By David Shiga -
Astronomy
The Hole Story
New evidence suggests that supermassive black holes have an impact on the evolution of galaxies that goes far beyond their gravitational grasp.
By Ron Cowen -
Astronomy
Ultimate Retro: Modern echoes of the early universe
Two teams of astronomers have for the first time detected the surviving notes of a cosmic symphony created just after the Big Bang, when the universe was a foggy soup of matter and radiation.
By Ron Cowen -
Astronomy
Ring robber
Images taken by the Cassini spacecraft provide graphic evidence of Saturn's moon Prometheus stealing particles from the planet's narrow F ring.
By Ron Cowen -
Astronomy
A dwarf with a disk
The Hubble Space Telescope has examined in unprecedented detail a ring of debris around a star that could be the nearest and youngest known home for planets outside the solar system.
By Ron Cowen -
Astronomy
Young and Near: Baby galaxies roam our backyard
An ultraviolet-detecting satellite has found that youthful versions of massive galaxies like the Milky Way may be only a cosmic stone's throw away.
By Ron Cowen -
Astronomy
People, Not Robots: Panel favors shuttle mission to Hubble
Sharply challenging NASA on the issue of safety in space, a National Academy of Sciences panel has recommended that the agency send astronauts to repair and upgrade the Hubble Space Telescope rather than send a robotic device.
By Ron Cowen -
Astronomy
Disks of Dust: Planet-stuff surrounds other sunlike stars
Two orbiting observatories for the first time are homing in on planetary debris circling sunlike stars.
By Ron Cowen