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Nasa planetary defense

3I/ATLAS

Latest News (EN)

Anomalous radio signals from interstellar comet 3I/ATLAS trigger NASA planetary defense

The international scientific community is on alert after the detection of unusual radio emissions originating from the interstellar comet 3I/ATLAS, the third object of its type identified crossing our solar system. The…

Asteroide e Planeta Terra

Latest News (EN)

Asteroid 2024 YR4 has a risk of impacting Earth in 2032 and NASA activates planetary defense

NASA maintains surveillance over asteroid 2024 YR4, a space rock that has a trajectory close to Earth's orbit. The…

Asteroides

NASA estimates that 15,000 asteroids with the capacity to destroy cities remain hidden in space

Nasa

NASA updates risk of asteroid 2024 YR4 with 4% chance of impact on the Moon in December 2032

Interstellar comet 3I/ATLAS emits radio signals as it approaches Earth

Terrestrial observatories recorded radio emissions from the interstellar comet 3I/ATLAS, discovered in July 2025 by the ATLAS system in Hawaii. The…15/11/2025

Comet 3I/ATLAS, third interstellar object, emits radio waves and mobilizes NASA monitoring

The ATLAS system detected the interstellar comet 3I/ATLAS on July 1, 2025 at the Río Hurtado observatory in Chile. The object, the third confirmed…13/11/2025

NASA activates planetary defense protocol after detecting variations in the trajectory of interstellar comet 3I/ATLAS

The American space agency NASA activated the planetary defense protocol this week, after astronomers identified changes in the trajectory and…05/11/2025

NASA activates planetary defense protocol for interstellar comet 3I/ATLAS with orbital variations detected in 2025

The American Space Agency (NASA) activated the planetary defense protocol this week, after detecting changes in the trajectory and brightness of the…05/11/2025

NASA activates planetary defense protocol for 3I/ATLAS comet with unusual trajectory

NASA activated the planetary defense protocol after detecting unexpected variations in the brightness and trajectory of comet 3I/ATLAS, an…26/10/2025

Nasa activates defense protocol for comet 3I/Atlas with unusual trajectory

Nasa activated planetary defense protocol in response to unusual behaviors of comet 3I/Atlas. The U.S. space agency took the step after a technical…25/10/2025

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