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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.
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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.
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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.
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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.
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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.
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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
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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.
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Mercury is weird because of a 'hit-and-run' incident in its youth"What surprised us, at the end, was how effective this type of impact could be in explaining Mercury's unusual structure without needing to consider multiple collisions or extremely rare conditions."
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Mars: Facts about the Red Planet, its moons, and possibilities for lifeDiscover interesting facts about Mars, its moons, its atmosphere, and the possibilities of life.
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