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this object has got me a lot more prplexed than the nambian ball.Look at how "perfectly" smooth and round it is...What Is This?
Originally posted by 1SawSomeThings
reply to post by ckno1
This is kind of the same "but different" as it is a sphere and seems to have fallen from a great height and buried in soft red clay in North Alabama. I don't think they have figured out what it is yet after 28 yrs, it has always puzzled me since I saw it in this NUFORC post years ago.
NUFORC Link (Almost 9/10ths to the bottom of the page).
Originally posted by rogerstigers
Side by side
Originally posted by rogerstigers
Side by side
Originally posted by britelite1971
reply to post by ckno1
That is really weird! It's odd to me that if it's space junk, then why wasn't it damaged at all in the fall. That's a long way to fall, and that would have to be some super strong metal to not be damaged at all. I wonder if it's empty or if there is something inside of it. Things that make you go hmmmm!
Originally posted by uSNUUZuLUUz
Originally posted by rogerstigers
Side by side
*More like top to bottom (not side by side).. I KID I KID.. lol
but i agree it may be the russian hellium tank
HOWEVER, i love how people assume, "Well its WELDED, so its definitely manmade and not alien."
ummmmm HOW IN The world do you know that ALIENS, don't weld tooo???? Logical steps people.
yet i digress..
Originally posted by britelite1971
That is really weird! It's odd to me that if it's space junk, then why wasn't it damaged at all in the fall.
People gather around a spherical object, which may be a hydrogen containment tank, on a chicken farm in Nacogdoches, Texas, USA in 2003. The object fell from the disintegrating Space Shuttle Columbia
Theodore Solomons sits next to the metal ball that he saw fall from the sky on a farm close to Worcester, about 150 kilometres outside of Cape Town, south Africa in April 2000. A second metal ball dropped out of the sky the following day on a farm approximately 50 kilometres outside of Cape Town. Astronomers said the balls, which were white-hot when they landed, could be parts of a decaying satellite
Pieces of space junk from a Russian satellite coming out of orbit narrowly missed hitting a jetliner over the Pacific Ocean overnight. The pilot of a Lan Chile Airbus A340, which was travelling between Santiago, Chile, and Auckland, New Zealand, notified air traffic controllers at Auckland Oceanic Centre after seeing flaming space junk hurtling across the sky just five nautical miles in front of and behind his plane about 10pm last night.
Originally posted by Frira
The only mystery which remains is why was it portrayed as if the origin was not known?
Originally posted by zorgon
Originally posted by Frira
The only mystery which remains is why was it portrayed as if the origin was not known?
Ummm original article says... [translated by moi]
"Since the authorities could not identify the ball the U.S. space agency NASA and the European Space Agency ESA were brought in, said Ludik. "It is possible that this round object that fell in Namibia, comes from a space vehicle."
Originally posted by blocula
"could be parts of decaying satellites"?...well are they?...Or not?...What kind of answer is could be???
Originally posted by blocula
reply to post by Frira
i dont see an end,its obvious to me that the russian helium tank has an obviously "raised" belt shaped surface running around the center,the nambian object is "smoothly" joined around its center and doesnt look welded at all...
Nasa's got it now,thats not good,now we'll never know what it really is,or whats in it.Who the hell gave it to them?edit on 23-12-2011 by blocula because: (no reason given)
Originally posted by ArJunaBug
Originally posted by britelite1971
reply to post by ckno1
That is really weird! It's odd to me that if it's space junk, then why wasn't it damaged at all in the fall. That's a long way to fall, and that would have to be some super strong metal to not be damaged at all. I wonder if it's empty or if there is something inside of it. Things that make you go hmmmm!
I don't think it too far fetched that it would arrive undamaged from the fall, although. It is relatively light for its size at 6 pounds. From my skydiving days I am capable of doing a rough calculation on terminal velocity for an object of this weight and size. A 7 inch radius works out to a cross section of roughly 45 square inches. A ball has a very low drag coefficient. At sea level near the ground I would figure roughly around 200-300 mph at impact. While not entirely impossible, I would think a hollow metal ball would definitely take some damage if it hit a hard surface at those speeds, but if the impact was softened by something it would be possible to arrive undamaged. I don't know what the alloy is, so we have no idea the strength of the metal.
I would say the odds of it being a part of some satellite is high.
How fast are meteorites traveling when they reach the ground?
Meteoroids enter the earth’s atmosphere at very high speeds, ranging from 11 km/sec to 72 km/sec (25,000 mph to 160,000 mph). However, similar to firing a bullet into water, the meteoroid will rapidly decelerate as it penetrates into increasingly denser portions of the atmosphere. This is especially true in the lower layers, since 90 % of the earth’s atmospheric mass lies below 12 km (7 miles / 39,000 ft) of height.
At the same time, the meteoroid will also rapidly lose mass due to ablation. In this process, the outer layer of the meteoroid is continuously vaporized and stripped away due to high speed collision with air molecules. Particles from dust size to a few kilograms mass are usually completely consumed in the atmosphere.
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.
Meteoroids of more than about 10 tons (9,000 kg) will retain a portion of their original speed, or cosmic velocity, all the way to the surface. A 10-ton meteroid entering the Earth’s atmosphere perpendicular to the surface will retain about 6% of its cosmic velocity on arrival at the surface. For example, if the meteoroid started at 25 miles per second (40 km/s) it would (if it survived its atmospheric passage intact) arrive at the surface still moving at 1.5 miles per second (2.4 km/s), packing (after considerable mass loss due to ablation) some 13 gigajoules of kinetic energy.