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Originally posted by VenomVile.6
reply to post by syrinx2112
Yeah.. I dont think anyone gave a good expl' on what could have caused that. I think the best someone said, the wind cause the meteor to change trajectory, or something like that...???
I say missle or UFO, n not so as in other worldly but something not normaly used by humans. Earthly-alien
edit on 8-3-2011 by VenomVile.6 because: change
That may explain all the police and military cars and trucks on Suydam Rd east of Rollo, Illinois. The road was blocked and closed to traffic but from a distance I could see a lot of personal in the field and woods walking around as if they were looking for something. I just assumed that they we looking for a criminal. But now I guess otherwise. Could Rollo be the new Roswell?
Originally posted by TomServo
reply to post by Skywatcher2011
Nice catch of a meteor in the Earth's atmosphere. Not sure if it landed anywhere on the planet or just burnt up in the air. Just to note, it's not an asteroid! However, you get a *S* for your picture. Call it fireball in the sky or something like that. Just my two cents.
[*SNIP*]... a meteor would be travelling entirely too fast to allow this average joe enough time to see it... think about it for a sec... think, 'hey, i better take a pic of that'... get out his camera or phone... turn it on or open the app... Have you ever seen a meteor pass into our atmosphere? Wake Up!
Mod Note: Removed name calling. Please remember that courtesy is mandatory.edit on 3/7/2011 by AshleyD because: (no reason given)
8. Can a meteorite dropping fireball be observed all the way to impact with the ground?
No. At some point, usually between 15 to 20 km (9-12 miles or 48,000-63,000 feet) altitude, the meteoroid remnants will decelerate to the point that the ablation process stops, and visible light is no longer generated. This occurs at a speed of about 2-4 km/sec (4500-9000 mph).
From that point onward, the stones will rapidly decelerate further until they are falling at their terminal velocity, which will generally be somewhere between 0.1 and 0.2 km/sec (200 mph to 400 mph). Moving at these rapid speeds, the meteorite(s) will be essentially invisible during this final “dark flight” portion of their fall.
Due to atmospheric drag, most meteorites, ranging from a few kilograms up to about 8 tons (7,000 kg), will lose all of their cosmic velocity while still several miles up. At that point, called the retardation point, the meteorite begins to accelerate again, under the influence of the Earth’s gravity, at the familiar 9.8 meters per second squared. The meteorite then quickly reaches its terminal velocity of 200 to 400 miles per hour (90 to 180 meters per second). The terminal velocity occurs at the point where the acceleration due to gravity is exactly offset by the deceleration due to atmospheric drag.
Originally posted by bhornbuckle75
reply to post by XtraTL
Actually I can sort of see a scenario if I take it to the extreme. If I imagine that I take a handful of powder and compress it into a ball in my hand....then throw it as hard as I can, it might travel a foot or less before it breaks up and basically comes to a stop in the the air, where it would then start to slowly float downward in a dusty cloud. Now how well this applies to a rock, or chunk of ice I don't know. I can see the more solid object cutting through the air like butter...till it breaks up, and looses inertia, then starts to slow...this would undoubtedly cause it to start falling at a faster rate. I'm just not sure whether or not it would really be all that noticeable, or just a slight deceleration, and a slight change to the arc it is traveling.
While trying to photograph the sunset in Aurora, I got an unexpected bonus! This dark line shot rapidly through a cloud and burst into flames! I’m calling the shot, Sunset Meteor.