Topic: james webb telescope
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NASA's $4.3 Billion Space Telescope Survives Cancellation, Now Complete
NASA's Nancy Grace Roman Space Telescope has been fully assembled and is on schedule for a launch as early as fall 2026, marking a major milestone after overcoming past cancellation threats. The project's completion, described as having "ordinary" challenges, contrasts with the lengthy, costly, a...
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Webb Telescope Unveils Stunning Planetary Nebula in Unprecedented Detail
The James Webb Space Telescope has captured unprecedented infrared images of the Helix Nebula, revealing intricate structures and dynamic inner workings invisible to previous telescopes like Hubble. These observations show the nebula is the final phase of a sun-like star, allowing scientists to s...
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Carbon-Rich Disk Found Around Giant Exoplanet
Moons are common natural satellites in our Solar System with diverse features, and their formation is a predicted outcome of planetary formation, suggesting galaxies should be rich in moons. Astronomers have identified young exoplanets with disks that could form moons, and the James Webb Space Te...
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Satellite Constellations Threaten Future Space Telescopes
The rapid growth of satellite constellations, projected to increase over thirtyfold, now seriously threatens space-based astronomy by marring images from orbital telescopes with numerous satellite streaks. Mitigation strategies like dark coatings that protect ground-based observations can ironica...
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