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Our solar system is full of floating space debris: Comets, meteors, asteroids and more. What are the differences that make up these various space rocks?
As space objects go, comets and meteors are not very big. The largest asteroid, Ceres, is only about 600 miles wide. Fascinating recent discoveries about comets and meteors in our solar system
Many of the L chondrite meteors may have their origin in the Ordovician meteor event, radioisotope dated with uranium-lead method at around 467.50 ± 0.28 million years ago. Compared to other chondrites, a large proportion of the L chondrites have been heavily shocked, which is taken to imply that the parent body was catastrophically disrupted ...
The Taurids are an annual meteor shower, associated with the comet Encke.The Taurids are actually two separate showers, with a Southern and a Northern component. The Southern Taurids originated from Comet Encke, while the Northern Taurids originated from the asteroid 2004 TG 10, possibly a large fragment of Encke due to its similar orbital parameters.
The average near-Earth asteroid, such as 2019 VF 5, passes Earth at 18 km/s. The average short-period comet passes Earth at 30 km/s, and the average long-period comet passes Earth at 53 km/s. [8] A retrograde parabolic Oort cloud comet (e=1, i=180°) could pass Earth at 72 km/s when 1 AU from the Sun.
Meteors are leftover pieces from broken asteroids and comet particles that spread out in dusty trails orbiting the sun. Each year, Earth passes through the debris trails, and pieces of dust and ...
Meteors from Halley’s comet. As Earth orbits the sun, it encounters the debris trail from Halley’s comet twice a year. The first occurs in May when particles from the comet’s outbound leg ...
belt asteroid type C [83] Amphitrite 29: 102 ± 1: 12.7 ± 2.0: belt asteroid type S [83] Egeria 13: 101 ± 2: 9.2 ± 2.1: belt asteroid type G [83] Iris 7: 100 ± 5: 13.5 ± 2.3: belt asteroid type S [83] Legend: centaur – asteroids orbiting between the outer planets Jupiter trojan – asteroids located in Jupiter's L 4 and L 5 Lagrange points