2 days ago · 99942 Apophis (/ ə ˈ p ɒ f ɪ s /) is a near-Earth asteroid and potentially hazardous asteroid with a diameter of 370 metres (1,210 feet) that caused a short period of concern in December 2004 when initial observations briefly indicated a probability up to 2.7% that it would hit Earth on April 13, 2029.
2 days ago · The first eon in Earth's history, the Hadean, begins with the Earth's formation and is followed by the Archean eon at 3.8 Ga.: 145 The oldest rocks found on Earth date to about 4.0 Ga, and the oldest detrital zircon crystals in rocks to about 4.4 Ga, soon after the formation of the Earth's crust and the Earth itself.
4 days ago · Kyoto is one of the oldest municipalities in Japan, having been chosen in 794 as the new seat of Japan's imperial court by Emperor Kanmu. The original city, named Heian-kyō, was arranged in accordance with traditional Chinese feng shui following the model of the ancient Chinese capital of Chang'an. The emperors of Japan ruled from Kyoto in the ...
Nov 23, 2021 · Agoudal 31°59.074’N, 5°30.917’W. Centre-South, Morocco. Found: 2000. Classification: Iron meteorite (IIAB) History: (H. Chennaoui Aoudjehane, M. Aboulahris, FSAC) Two small pieces of iron were collected in 2000 in the Agoudal area, High Atlas Mountains, Morocco, and sold to tourists. In September 2011, one piece was sold to a dealer in ...
- High Atlas Mountains
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Nov 23, 2021 · Meteoritical Bulletin Database. Database stats: 67471 valid meteorite names (includes relict meteorites); 6859 provisional names; 12898 full-text writeups. • The Catalogue of Meteorites: 2002 June (current through Met. Bull 87 ). • MetBase: v7.2 (current through Met. Bull. 89 ). • Meteorite Newsletter (NIPR): through v.25, 2016.
2 days ago · Asteroid mining is the hypothetical exploitation of materials from asteroids and other minor planets, including near-Earth objects.. Notable asteroid mining challenges include the high cost of spaceflight, unreliable identification of asteroids which are suitable for mining, and the challenges of extracting usable material in a space environment.