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ASTROMETRY
In 1989, the first space mission to understand positions, distances, motions, brightness and colors of stars was launched. Four years later, ESA's Hipparcos achieved its goals and ceased operations- Earth’s new defender? How 3I/ATLAS might stop deadly asteroids in their tracks
- Interstellar comet 3I/ATLAS will reach its closest point to Sun this week. Is Earth is in danger? Check details
- 3I/ATLAS ‘a threat to humanity’? Why astronomers and planetary defense teams is tracking the rare black swan interstellar object that could harbor alien technologyAstronomers are launching a major international effort to study a mysterious visitor from another star system, 3I/ATLAS. This object shows ...23 Oct, 2025, 03.12 PM IST
- Comet 3I/ATLAS shows strange light patterns: NASA's secret move revealed after interstellar visitor's odd behaviourEarth's planetary defense is being bolstered as the mysterious interstellar comet 3I/ATLAS, exhibiting unusual behavior and an 'anti-tail,'...23 Oct, 2025, 08.14 AM IST
- Suitcase-sized asteroid slips past NASA’s early warning system, strikes Earth hours after detection—third instance in 2024A small asteroid, 2024 UQ, entered Earth's atmosphere and disintegrated last month. The asteroid was detected only two hours prior to impac...11 Nov, 2024, 03.44 PM IST
- Gaia probe pins down precise positions of over a billion starsLondon, Sep 14 (IANS) On its way to assembling the most detailed 3D map ever made of our Milky Way galaxy, European Space Agency's Gaia pro...14 Sep, 2016, 06.52 PM IST
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