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Current Stars News Events, Discoveries and Articles
Hubble observes one-of-a-kind star nicknamed 'Nasty'
Astronomers using NASA's Hubble Space Telescope have uncovered surprising new clues about a hefty, rapidly aging star whose behavior has never been seen before in our Milky Way galaxy. (2015-05-22)

The dreadful beauty of Medusa
This beautiful planetary nebula is named after a dreadful creature from Greek mythology -- the Gorgon Medusa. (2015-05-20)

Beached iceberg helps reveal ecological impact of sea-ice changes
The grounding of a giant iceberg in Antarctica has provided a unique real-life experiment that has revealed the vulnerability of marine ecosystems to sudden changes in sea-ice cover. (2015-05-18)

Retirement in the suburbs
Astronomers using the NASA/ESA Hubble Space Telescope have, for the first time, collected a census of young white dwarf stars beginning their migration from the crowded centre of an ancient star cluster to its less populated outskirts. (2015-05-15)

Comet Wild 2: A window into the birth of the solar system?
Our solar system, and other planetary systems, started as a disk of microscopic dust, gas, and ice around the young Sun. The amazing diversity of objects in the solar system today - the planets, moons, asteroids, and comets - was made from this primitive dust. (2015-05-14)

Water was plentiful in the early universe
Astronomers have long held that water -- two hydrogen atoms and an oxygen atom -- was a relative latecomer to the universe. (2015-05-13)

Astrophysicists prepare weather forecasts for planets beyond our solar system
"Cloudy for the morning, turning to clear with scorching heat in the afternoon." While this might describe a typical late-summer day in many places on Earth, it may also apply to planets outside our solar system, according to a new study by an international team of astrophysicists from the University of Toronto, York University and Queen's University Belfast. (2015-05-13)

The dark side of star clusters
Globular star clusters are huge balls of thousands of stars that orbit most galaxies. They are among the oldest known stellar systems in the Universe and have survived through almost the entire span of galaxy growth and evolution. (2015-05-13)

Cause of galactic death: Strangulation
As murder mysteries go, it's a big one: how do galaxies die and what kills them? A new study, published today in the journal Nature, has found that the primary cause of galactic death is strangulation, which occurs after galaxies are cut off from the raw materials needed to make new stars. (2015-05-13)

Lopsided star explosion holds the key to other supernova mysteries
New observations of a recently exploded star are confirming supercomputer model predictions made at Caltech that the deaths of stellar giants are lopsided affairs in which debris and the stars' cores hurtle off in opposite directions. (2015-05-08)



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