Solar System
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Surprised scientists discover the 'dark sides' of Uranus' moons are the wrong way aroundResearchers armed with the Hubble Space Telescope have revealed that some of Uranus' largest moons have one side brighter than the other — but not the side they were expecting.
By Harry Baker Published
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Does light lose energy as it crosses the universe?The speed of light is the fastest anything can travel. What happens to a photon from a galaxy 25 million light years away on its journey toward Earth?
By Jarred Roberts Published
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New dwarf planet discovered beyond the orbit of NeptuneAstronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond Neptune, it orbits the sun every 25,000 years.
By Skyler Ware Published
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Jupiter is shrinking and used to be twice as big, mind-boggling study revealsAstronomers have calculated that the gas giant Jupiter used to be twice as big as it is now, based on the odd orbits of two of its many moons.
By Skyler Ware Published
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A whole 'population' of minimoons may be lurking near Earth, researchers sayThe discovery of 2024 PT5, a small, rocky body dubbed a "minimoon" during its discovery last year, hints at a hidden population of lunar fragments traveling near Earth.
By Nola Taylor Tillman Published
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Planet Nine candidate detected deep in our solar systemResearchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new findings were met with some skepticism.
By Patrick Pester Published
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How many planets are in the universe?We currently know of more than 5,800 planets beyond the solar system, but we've only found the tiniest fraction of the exoplanets that astronomers think lie elsewhere in the universe.
By Briley Lewis Last updated
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Jupiter: Facts about the biggest planet in our solar systemDiscover interesting facts about Jupiter, its many moons, and whether the gas giant and its moons could host extraterrestrial life
By Adam Mann Last updated
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Solar wind might be making water on the moon, groundbreaking NASA study revealsLunar samples show evidence that solar wind could be behind the water molecules on the moon's surface, according to NASA. The results could shine a light on how water ice collects in cold traps formed by patches of permanent darkness at the moon's poles.
By Damien Pine Published
