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CosmosUp | May 25, 2019

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Top 5 Captivating Stars in the Universe

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4

HD 69830
A Lab for Origins

 This sun-like star, located 40 light-years from Earth, is particularly fascinating to scientists studying the origins of solar systems.

It contains a trio of Neptune-size planets – including one in the habitable zone – and NASA’s Spitzer Space Telescope has spotted a dusty asteroid belt surrounding the star, providing astronomers a rare window into the process by which rocky planets form.

“This is the premiere laboratory for observing the interactions between asteroid belts, dust, and the planetary system,” said Dr. Charles Beichman, lead author of a paper on Spitzer’s discovery.

“We can’t directly see other terrestrial planets, but now we can study their dusty fossils.”

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