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99942 Apophis
CHF 43.20
Auf Lager
SKU
3PNQIV5S8JL
Geliefert zwischen Mi., 26.11.2025 und Do., 27.11.2025
Details
99942 Apophis is a near-Earth asteroid that caused a brief period of concern in December 2004 because initial observations indicated a small probability that it would strike the Earth in 2029. Additional observations provided improved predictions that eliminated the possibility of an impact on Earth or the Moon in 2029. However, a possibility remains that during the 2029 close encounter with Earth, Apophis will pass through a gravitational keyhole, a precise region in space no more than about 600 meters across, that would set up a future impact on April 13, 2036. This possibility kept the asteroid at Level 1 on the Torino impact hazard scale until August 2006. It broke the record for the highest level on the Torino Scale, being, for only a short time, a level 4, before it was lowered.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130679354
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Genre Physik & Astronomie
- Größe H5mm x B220mm x T150mm
- EAN 9786130679354
- Format Fachbuch
- Titel 99942 Apophis
- Gewicht 124g
- Herausgeber Alphascript Publishing
- Anzahl Seiten 80
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