Using the Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected three companions to aged stars—two low-mass stars and one brown dwarf. The newfound objects are the size of Jupiter ...
One of the first known stars to host an extrasolar planet, was that of 55 Cancri. The first planet in this system was reported in 1997 and today the system is known to host at least five planets, the inner most of which, ...
Astronomy
May 2, 2011
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The Earth and the planets of our solar system are not alone in the universe. Over the past few decades, the hunt for extrasolar planets has yielded incredible discoveries, and now planetary researchers have a new tool—simulated ...
Astronomy
Sep 4, 2012
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By precisely tracing a small, almost imperceptible, wobble in a nearby star's motion through space, astronomers have discovered a Jupiter-like planet orbiting that star, which is one of a binary pair. Their work, using the ...
Astronomy
Sep 1, 2022
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An international team of astronomers has used nearly three years of high precision data from NASA's Kepler spacecraft to make the first observations of a planet outside our solar system that's smaller than Mercury, the smallest ...
Astronomy
Feb 20, 2013
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(PhysOrg.com) -- Astronomers from the California Institute of Technology and other institutions, using the highly sensitive 10-meter Keck I telescope atop Hawaii's Mauna Kea, have detected an extrasolar planet with a mass ...
Astronomy
Jan 13, 2010
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(PhysOrg.com) -- Our Milky Way galaxy contains a minimum of 100 billion planets according to a detailed statistical study based on the detection of three extrasolar planets by an observational technique called microlensing.
Astronomy
Jan 12, 2012
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Astronomers with the Sloan Digital Sky Survey (SDSS) have learned that the chemical composition of a star can exert unexpected influence on its planetary system—a discovery made possible by an ongoing SDSS survey of stars ...
Astronomy
Jan 10, 2018
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An international team of astronomers reports the detection of four new giant alien worlds as part of the HATSouth photometric survey. The newfound exoplanets are the size of Jupiter and received designations HATS-74Ab, HATS-75b, ...
In planet hunting today, there seems to be one burning question that nearly every new article published touches on: Where did these planets come from?
Astronomy
Jun 20, 2011
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