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Originally posted by zorgon
I do not believe this to be a 'normal' set of events
Happens all the time
Space rocks fall through Earth's atmosphere regularly, and most pose little or no threat as they vaporize in the atmosphere, due to the intense heat created by friction as they speed Earthward at thousands of miles per hour.
Some do fall to Earth. Some 400 tons of debris -- small rocks and dust -- rains down on Earth daily. But since the planet is about two-third's water, many fireballs and impacts are never noticed.
Originally posted by Nineteen
reply to post by defcon5
Meteors don't make loud noises in the sky do they?????
Originally posted by stewartw2
reply to post by TrueBrit
Strangely this particular meteor, the Saudi one, showed up an hour later in Indonesia......mmmmm
Originally posted by stewartw2
reply to post by Majorion
That was my point.
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 lunarminer
reply to post by Phage
Let's be clear here, I didn't "predict" anything. I said that 5 of these fireballs in a week is so far outside the statistical norm, that it cannot be coincidental.
I am no stranger to meteors and meteorites. I have observed thousands of them in my lifetime. I would like to say that I have never seen one of the magnitude of these reports. A meteor of that size that either explodes near the ground, or actually stikes the ground, is RARE. Very rare on the order of one every couple of years. To have 5 inside a week? That is nearly impossible odds.
1. Fireball brightness is not a valid predictor of probability of meteorite production. The Halliday study found that, perhaps surprisingly, meteorites resulted from fireballs at least as faint as -6 apparent magnitude, and a typical meteorite producing fireball is only -9 magnitude. Many of the brightest and most spectacular fireballs did not produce meteorites.
Originally posted by stewartw2
reply to post by TrueBrit
Strangely this particular meteor, the Saudi one, showed up an hour later in Indonesia......mmmmm
Originally posted by shug7272
Do meteors make loud sounds?
7. Production of nonelectrophonic (typical thunder like) sound is a powerful indicator that meteorites have been produced, since it indicates that the meteor has gotten to the lower atmosphere. The time between fireball and sound (typically tens of seconds to minutes) can be used to establish a distance to the meteor. The occurrence of electrophonic (near instantaneous) hissing or staccato sounds which occur simultaneously with the fireball is not an indicator of low penetration and likely meteorites (it is believed that these sounds are electromagnetic waves transduced to sound by nearby objects).
Originally posted by stewartw2
reply to post by stewartw2
Are meteors censored from US media??
huge ufo literally bouncing off the sun.this has been studied and studied and is not a flare, a blip or optical ilusion, plus considering the sun is so much bigger than earth.. this object must be HUGE
Originally posted by lunarminer
If the reports were simply, "large fireballs" I would agree. However, an exploding Boloid that comes close to the earth is rare.
Originally posted by lunarminer
As I pointed out one of these every couple of years is video taped.
Originally posted by lunarminer
Five within a week? Show me a stat that verifies that this has ever happened.
Originally posted by lunarminer
By the way, if you still stand on the stats that Phage put up. The stats clearly show about 1 a month over North America. Five in a week worldwide? That still seems a bit high, especially when 3 of the five were over Europe.
I'm not convinced that there is an increase in fireball activity in
recent years, perhaps more reporting of such events. The now
terminated Canadian MORP System directed by Dr. Ian Halliday, NRCC,
was in operation across the three Prairie Provinces from 1985 to
March 1971 with some cameras operating in 1970. This network
recorded 754 fireball class meteors over an approximate 14 year
period. This works out to approximately 53 fireballs per year or 1+
per week. With this in mind you are hearing reports of fireball
activity spread across the country and also internationally.
Spectacular events also see an increase of reporting of bright
meteors. Some of these are not fireball class meteors. I have had
many such reports and after checking my Sandia All-sky Camera tapes
many of these are not recorded so they must have been fainter than
-3.0 magnitude the approximate recording sensitivity of the old
Sandia Convex All-Sky cameras. The new fisheye systems are a bit
more sensitive.