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How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...
The Sun, our life-giving star, is slowly dying. In about 5 billion years, it will exhaust its fuel and transform into a red giant, altering the solar system forever. But long before that, the Sun’s ...
Scientists have proposed two experimental spacecraft that could reach one of the farthest known objects in the solar system ...
The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...
In the frozen outskirts of the solar system, a reddish dwarf planet orbits in silence. Known as Sedna, it is so distant that ...
Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...
In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...