Stars
and Star Clusters
- 06/20: Old Stars:
Astronomers find a star emitting jets of water molecules into
space (spaceref,
SFN)
- 06/09: Young Stars:
Composite image shows the star DL Tauri, still forming, with
a dust disk (SFN)
- 06/07: Neutron Stars: X-ray observations may show the effect of gravity
on radiation (SFN)
- 06/07: Supernovas:
First pictures of early development of supernova remnant from
SN1987A (SFN)
- 06/05: Globular Clusters: Black holes form many X-ray binaries in elliptical
galaxies (space,
SFN)
- 05/26: Pulsar Binaries: In one system, the companion has been reduced to
10 Jupiter masses (SFN)
- 05/26: Brown Dwarfs:
Astronomers find clouds and storms on them, similar to Jupiter's
(SFN)
- 05/25: Pulsars:
105-m Green Bank radio telescope sees the youngest radio pulsar
known (SFN)
- 05/21: Binary Stars:
The closest imaged pair of stars has a separation of just 3 AU
(space,
SFN)
- 05/07: X-Ray Binaries: The Chandra telescope studies one which is also an
eclipsing binary (space)
- 05/03: Star Rotation: Some young stars do not spin faster as they shrink
(cosmiverse)
- 04/29: Globular Clusters: Stars are so tightly packed that they often swap
partners or merge (nature)
- 04/23: Black Holes:
More evidence for spinning black holes pumping energy outward
(SFN)
- 04/21: Pulsars:
Youngest known one, 820 years old, is discovered by Green Bank
telescope (SFN)
- 04/18: Black Holes:
Even some of the relatively quiet ones occasionally flare up
(space,
SFN)
- 04/12: Star Formation: Large simulation shows that it is a chaotic process
(cosmiverse,
space)
- 04/12: Black Hole Binaries: Astronomers are learning more about X-ray emission
(cosmiverse)
- 04/10: Quark Stars?
Chandra sees objects which may be denser than neutron stars (SFN,
space,
S&T)
- 04/09: Star Formation: Theory suggests that the presence of ice in the nebula
is essential (space)
- 03/15: Pulsars:
Scientists need to reevaluate their ideas on estimating pulsar
ages (SFN)
- 03/15: Binary Stars:
Two white dwarfs orbit each other once every five minutes! (cosmiverse)
- 03/08: Red Giants:
Their variations are due in part to titanium oxide "sunscreen"!
(space,
SFN)
- 03/08: Supermassive Stars: Astronomers now understand better how those stars
form (cosmiverse)
- 03/07: Young Stars:
There is a bow shock where LL Ori's stellar wind collides with
gas (SFN)
- 02/13: Pulsars:
Hubble sees a newborn one, with a red giant companion (space,
cosmiverse,
SFN)
- 02/07: White Dwarfs:
How some of them might be able to retain a dusty disk around
them (space)
- 02/04: Variable Stars: d Scorpii has been brightening since 2000 and is now
brighter than ever (S&T)
- 01/30: Star Masses:
Heavy star in binary system confirms validity of one estimation
method (space)
- 01/23: Black Holes:
Supercomputers mimick jets produced by rotating holes (cosmiverse,
SFN)
- 01/18: Gravastars:
New theory suggests an alternative to black holes (cosmiverse,
CNN,
space,
SFN)
- 01/13: Old Stars:
Radioactive elements provide a way to estimate the age of old
stars (SFN)
- 01/13: Young Stars:
One is blowing away with high-energy jets its molecular cloud
(SFN)
- 01/11: Nearby Stars:
12 new stars are discovered between 20 and 33 light years away
(space)
- 01/10: Triple Stars:
Triple systems found in searches for planets in binary star systems
(space)
- 01/08: Binary Stars:
A Wolf-Rayet stars and its companion eject dust into space (space,
cosmiverse)
- 01/08: Pulsars:
Abnormal spin and glitches give us information on pulsar interiors
(cosmiverse,
SFN)
- 01/08: First Stars:
Many were formed in a brief period earlier than expected (space,
SFN,
NASA)
- 01/08: First Stars:
2MASS produces images with IR light from the first stars (cosmiverse,
SFN)
- 01/08: Brown Dwarfs:
Gemini North finds one around a nearby Sun-like star (cosmiverse,
space)
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