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The ancient crater is very conspicuous from orbit, a visible reminder that Earth is vulnerable to rocks from space. Over 200 million years old, the Manicouagan crater was likely caused by the impact of a rocky body about 5 kilometers in diameter.
An impact event is a collision between astronomical objects causing measurable effects. [1] Impact events have been found to regularly occur in planetary systems, though the most frequent involve asteroids, comets or meteoroids and have minimal effect.
21 lip 2005 · Early results from the data, in images taken just minutes after impact, showed a possible plume of dust and gas extending outward some 320 km (200 miles) from the comet's center, roughly coinciding with the site of the probe's final demise.
12 sty 2005 · The primary mission of NASA’s Deep Impact was to probe beneath the surface of a comet. The spacecraft delivered a special impactor into the path of Tempel 1 to reveal never-before-seen materials and provide clues about the internal composition and structure of a comet.
16 lip 2024 · Comet Shoemaker-Levy 9 left an indelible mark on our understanding of the cosmos when it collided with Jupiter. Discover the significance of this event and the crucial role of the Hubble Space Telescope in capturing its dramatic impact.
3 lip 2005 · One hundred and seventy-one days into its 172-day journey to comet Tempel 1, NASA's Deep Impact spacecraft successfully released its impactor at 11:07 p.m. Saturday, Pacific Daylight Time (2:07 a.m. Sunday, Eastern Daylight Time). At release, the impactor was about 880,000 kilometers (547,000 miles) away from its quarry.
1 maj 2019 · Researchers have translated famous ancient symbols in a temple in Turkey, and they tell the story of a devastating comet impact more than 13,000 years ago.
