Search results
Results From The WOW.Com Content Network
Ejecta with even relatively small velocities (~280 m/s) can enter the chaotic regions of the 3:1 Kirkwood gap at 2.50 AU and the nearby secular resonance which determines the high-inclination edge of the asteroid belt at about 16° inclinations hereabouts. Of the asteroids in this "well-placed" orbit, Hebe is the largest.
During this event a stony meteoroid about 50–60 m (160–200 ft) in size [1] [2]: p. 178 exploded at an altitude of 5–10 km (16,000–33,000 ft) over a sparsely populated forest in Siberia. The resulting shock wave flattened an estimated 80 million trees over a 2,150 km 2 (830 sq mi) area, and may have killed 3 people.
A meteorite is a portion of a meteoroid or asteroid that survives its passage through the atmosphere and hits the ground without being destroyed. [22] Meteorites are sometimes, but not always, found in association with hypervelocity impact craters; during energetic collisions, the entire impactor may be vaporized, leaving no meteorites.
However, there is also a relatively young filament of dust in the stream that was pulled off the comet in 1865, which can give an early mini-peak the day before the maximum shower. [7] The dimensions of the cloud in the vicinity of the Earth are estimated to be approximately 0.1 astronomical units (AU) across and 0.8 AU along the Earth's orbit ...
A laser cannon defends the Earth from a meteor shower.. Astrosmash resembles a cross between Space Invaders and Asteroids.The player controls a laser cannon that can scroll left or right along a flat plane in order to target falling objects, such as large or small meteors, large or small spinning bombs, and guided missiles, as well as a UFO that crosses the screen from time to time at higher ...
The Geminids are a prolific meteor shower with 3200 Phaethon (which is thought to be an Apollo asteroid [4] with a "rock comet" orbit. [5]) being the parent body. [6]Because of this, it would make this shower, along with the Quadrantids, the only major meteor showers not originating from a comet.
Locating a softball-sized space rock in the wilderness may be similar to finding a needle in a haystack: Pitt said the estimated area where the meteorites hit is about a mile wide (1.6 km) and ...
The legendary Chinguetti meteorite is also supposed to be a mesosiderite. The asteroid 16 Psyche is a candidate for the parent body of the mesosiderites. [5] However, a reliable delivery mechanism lacks for Psyche, and spectral analysis indicates the mesosiderites derive from the Maria Asteroid Family [6]