New Horizons flew past Pluto in 2015 and is now beyond the solar system.
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Some pulsars emit beams of radiation like cosmic lighthouses.
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Gamma-ray bursts are among the most energetic events observed in the universe.
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Magnetars have extremely powerful magnetic fields.
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Some exoplanets orbit two stars at once.
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The Apollo 11 mission successfully landed humans on the Moon.
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The telescope expanded understanding of the universe.
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Neptune is the farthest known major planet from the Sun.
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The observable universe is about 93 billion light‑years wide.
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