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Hot Topic Deep Space Cosmic Evolution
Planets Can Form Around Different Types of Stars
Topic: Cosmic Evolution
Summary: New research shows that small planets could form around stars that are poor in heavy elements. The study may significantly increase the likelihood that Earth-like planets are widespread in the Universe.

Few Brown Dwarfs Close to Home
Topic: Cosmic Evolution
Summary: Data from the WISE survey has turned up a new crowd of stars close to our own position in the Milky Way. However, the results show that there are fewer brown dwarfs nearby than expected.

Stellar Archaeology Traces Milky Way's History
Topic: Cosmic Evolution
Summary: A new study has revealed that white dwarfs in the inner region of the Milky Way galaxy's halo are younger than the first generation of Milky Way stars.

More Star Stuff Than We Thought
Topic: Cosmic Evolution
Summary: A new study shows that there is more hydrogen gas in the Universe than previously thought.

Ghostly Gamma Rays of the Galaxy
Topic: Cosmic Evolution
Summary: Compared to other galaxies, the Milky Way has a relatively quiet core. New research, however, shows that our galaxy was not always so peaceful.

Nomads of the Galaxy
Topic: Cosmic Evolution
Summary: A new study has estimated the number of 'nomad planets' that might exist in the Milky Way Galaxy: 100,000 for every star. The Milky Way contains 200 to 400 billion stars, meanining quadrillions of nomad planets could be drifting through the space between the stars of our galaxy.

The Older We Get, the Less We Know (Cosmologically)
Topic: Cosmic Evolution
Summary: A new study is helping scientists better understand the 13.7-billion-year history of the Universe.

Ultra-Cool Companions Versus Giant Planets
Topic: Cosmic Evolution
Summary: Astronomers have discovered an ultra-cool brown dwarf that is more than 99% hydrogen and helium. The discover could help scientists distinguish between brown dwarfs and giant planets.

Rogue Stars Ejected from the Galaxy
Topic: Cosmic Evolution
Summary: Astronomers have identified a group of more than 675 stars on the outskirts of the Milky Way that could be hypervelocity stars that have been ejected from the center of the galaxy.

Four White Dwarf Stars Caught Consuming Rocky Exoplanets
Topic: Cosmic Evolution
Summary: Astrophysicists have spotted four white dwarf stars surrounded by dust from shattered planetary bodies that once bore similarities to the composition of the Earth.

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