, which lies just 4.24 light-years from Earth, will pass in front of background stars in both October 2014 and February 2016. Astronomers should scrutinize Proxima during these two periods, looking for subtle light shifts that could reveal the presence of close-orbiting planets, a new study reports.
"This is an opportunity to determine the mass of Proxima, and also detect planets up to 4 AU [astronomical units] around Proxima Centauri," Kailash Sahu, an astronomer with the Space Science Telescope Institute in Baltimore, Md., told reporters today (June 3) at the 222nd meeting of the American Astronomical Society in Indianapolis. []
One astronomical unit is the distance from Earth to the sun, or about 93 million miles (150 million kilometers).
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