Of the roughly 4,300 exoplanets confirmed to date, about ten percent of them are classified as "hot Jupiters." These are planets with masses between about 0.4 and 12 Jupiter-masses and orbital periods less than about 110 ...
Astronomy
May 15, 2020
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8
Ever since enthusiasm started growing over the possibility that there could be a ninth major planet orbiting the sun beyond Neptune, astronomers have been busy hunting it. One group is investigating four new moving objects ...
Astronomy
Apr 19, 2017
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28
The solar system is pretty huge place, extending from our sun at the center all the way out to the Kuiper Cliff – a boundary within the Kuiper Belt that is located 50 AU from the sun. As a rule, the farther one ventures ...
Space Exploration
May 30, 2016
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25
It seems as if the planets are fleeing the evening sky, just as the Fall school star party season is getting underway. Venus and Mars have entered the morning sky, and Jupiter reaches solar conjunction this week. Even glorious ...
Astronomy
Aug 28, 2015
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70
Our solar system's shadowy ninth (dwarf) planet was the subject of furious speculation and a frantic search for almost a century before it was finally discovered by Clyde Tombaugh in 1930. And remarkably, Pluto's reality ...
Astronomy
Jul 17, 2015
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31
The new pictures that NASA's New Horizons probe has begun to beam back have revealed Pluto and its largest moon, Charon, in ever greater detail from what is the first ever spacecraft fly-by.
Space Exploration
Jul 6, 2015
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76
As the New Horizons spacecraft gathers information about Pluto before and after its July 2015 close encounter, practically every day we're learning more about this dwarf planet.
Space Exploration
Feb 18, 2015
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29
A University of British Columbia astronomer is a key player in the discovery of a new exoplanet, out beyond our solar system.
Astronomy
Dec 19, 2014
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1
A team of French-American researchers led by the UTINAM Institute (CNRS/Université de Franche-Comté) has just proposed a solution to the problematic chemical composition of Uranus and Neptune, thus providing clues for understanding ...
Astronomy
Sep 24, 2014
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0
During its four-year mission, NASA's Kepler space telescope discovered thousands of "planetary candidates" in our Milky Way galaxy—the vast majority of which are almost certainly actual planets. But before scientists can ...
Astronomy
Jan 8, 2014
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