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A hypothetical planet-sized Earth trojan the size of Mars, given the name Theia, is thought by proponents of the giant-impact hypothesis to be the origin of the Moon.The hypothesis states that the Moon formed after Earth and Theia collided, [10] showering material from the two planets into space.
Earth trojans are asteroids located in the Earth–Sun Lagrangian points L 4 and L 5. Their location in the sky as observed from Earth's surface would be fixed at about 60 degrees east and west of the Sun, and as people tend to search for asteroids at much greater elongations few searches have been done in these locations.
2010 TK 7 was confirmed to be the first known Earth trojan in 2011. It is located in the L 4 Lagrangian point, which lies ahead of the Earth. [14] (614689) 2020 XL 5 was found to be another Earth trojan in 2021. It is also at L4. [15] [16] (687170) 2011 QF 99 was identified as the first Uranus trojan in 2013.
Minor planets include asteroids (near-Earth objects, Earth trojans, Mars trojans, Mars-crossers, main-belt asteroids and Jupiter trojans), as well as distant minor planets (Uranus trojans, Neptune trojans, centaurs and trans-Neptunian objects), most of which reside in the Kuiper belt and the scattered disc.
Here are 32 fun facts about Abyssinian cats, one of ... science fiction comedy film in 1978 called The Cat from Outer Space, about an Abyssinian space cat that gets stranded on Earth when his ...
Other cats have different ratios or guard and awn hair. And some cats, like so-called hairless breeds, have an entirely different type of hair, known as vellus hairs. (This is also, by the way ...
32 fun facts about Siberian forest cats 1. Water-repellent fur. Siberian cat swimming. It may come as a surprise that the soft and super-abundant fur of the Siberian forest cat is water-repellent ...
Earth trojan; 0–9 (614689) 2020 XL5 (706765) 2010 TK7 This page was last edited on 25 December 2017, at 23:49 (UTC). Text is available under the Creative Commons ...