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Hubble Scientists Develop Software Fix for Satellite Streaks in Images
The Hubble Space Telescope images the cosmos from low Earth orbit, but an abundance of artificial satellites circle the planet at higher altitudes. That’s become an irritation in recent years, as the thousands of devices leave bright streaks in Hubble imagery.
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Webb Telescope Reveals Nearby Exoplanet Has No Atmosphere
TRAPPIST-1b is a superhot rocky world just 40 light-years away. Astronomers recently trained the Webb Space Telescope this exoplanet, a world in the TRAPPIST-1 star system, and found that it’s devoid of an atmosphere.
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Satellite Swarms Like SpaceX’s Starlink Are Increasingly Spoiling Hubble Telescope Images
The steadily growing satellite population has been posing challenges for ground-based astronomy, but new research reveals that space-based telescopes like Hubble are also suffering.
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Hubble Telescope Directly Measures a White Dwarf Mass for the First Time
Astronomers just directly measured the mass of a lone white dwarf using the Hubble Space Telescope for the first time. The dwarf — the core remnant of a star — is named LAWD 37, and it burned out about a billion years ago.