The star TW Hydrae, located about 150 light-years from Earth, is only about 10 million years old, and is currently in this planet-forming stage. Because TW Hydrae is relatively close and bright, and because it rotates with its pole pointed nearly directly towards the Earth, scientists can view the star's disk of material nearly face on to study what is happening.
Wednesday, November 16, 2011
Thousands of "Earth Oceans" --Stars Built-in Water Reservoirs for Their Emerging Planets
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