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Originally posted by defcon5
I disagree with this.
The reason being that the regularity of meteor storms, including these spates of Bolides, is due to the regularity of the Earths orbit intersecting the debris fields left by other orbiting comets tails. These Bolides are not large enough to escape the Asteroid Belt on their own, they would be sucked back into the belt by the gravitational forces of the larger asteroids in the belt.
3. Meteorites do not result from cometary parent meteor showers such as the Orionids, Perseids, Leonids, Taurids, etc. It is felt that these objects do not have the required strength to survive atmospheric flight, and, in any case, the geocentric velocities are too high. Often the date and apparent direction can be use to establish a shower link to a fireball (although it appears that extremely bright fireballs are not produced by meteor showers).
"It was a great experience to visit the Cascadia Meteorite Lab to see how they do things, and it has been fun to apply the things that we learned in class to a new meteorite fall,” said Milley, who is pursuing her MSc with Hildebrand in the U of C’s Department of Geoscience. “It feels good to be making a real research contribution. When we determine the orbit we will also know from where in the asteroid belt this rock originated."
The U of C researchers and their collaborators will now turn their attention back to determining the orbit for the space rock. The H4 classification matches the history of meteorite falls of this type that usually occur during the afternoon or evening. About 8 million years ago a large impact occurred on an asteroid of H composition and further studies will be done to see if Buzzard Coulee is another fragment from that impact. Although orbit evolution is chaotic, determining this rock’s orbit may help locate that impact. Knowing the fireball’s exact trajectory will also allow better planning for the spring searching.
“I think that the number of individual meteorites that will be recovered for Buzzard Coulee will easily set the Canadian record for the largest fall recovery, but we still don’t know how big the biggest meteorite out there is, so we don’t know how much mass we can expect to be recovered of the approximately 1 tonne that fell,” Hildebrand said. The largest Canadian meteorite fall currently on record dates to 1960 when hundreds of meteorites fell near Bruderheim, Alberta.
Note: A video initially linked here has been confirmed to have no connection to this event as was represented in various Saudi media channels. The video has therefore been removed as irrelevant to this story. The video in question was of a meteor sighting in Australia in 2006. Thanks to reader David Moore of Freemantle WA for pointing this out to us.
Should a genuine video come to light we will add a link.
Originally posted by formernewager
NO ALIENS ARE GOOD.