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Author Topic:   Earth Observatory [NASA] 09 year in pictures
Node
Knowflake

Posts: 381
From: Nov. 11 2005
Registered: Apr 2009

posted November 03, 2009 10:56 AM     Click Here to See the Profile for Node     Edit/Delete Message
I was looking at the year in pictures on NASA earth observatory
Plenty of respected writing out there about global change being a hoax, trumped up nonsense, or just generally disdainful of the scientific findings.

When you read -or- talk to those close to the environment; rock climbers, farmers, photographers, environmental scientists....you get a perspective that wonders why others downplay.
So fascinated was I that the photographic highlights were perused month by month.

The color code bar is available through the link at the end of 2nd post.

2009

Along with the ozone 'hole' posting a few others.


This one is the July eclipse China:


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Node
Knowflake

Posts: 381
From: Nov. 11 2005
Registered: Apr 2009

posted November 03, 2009 10:58 AM     Click Here to See the Profile for Node     Edit/Delete Message
Space Junk:


Orbital debris, or “space junk,” is any man-made object in orbit around the Earth that no longer serves a useful purpose. Space junk can be bad news for an orbiting satellite. On February 11, 2009, a U.S. communications satellite owned by a private company called Iridium collided with a non-functioning Russian satellite. The collision destroyed both satellites and created a field of debris that endangers other orbiting satellites.
To minimize the risk of collision between spacecraft and space junk, the U.S. Space Surveillance Network tracks all debris larger than 10 centimeters. These images represent all man-made objects, both functioning and useful objects and debris, currently being tracked. The images were made from models used to track debris in Earth orbit. Of the approximately 19,000 manmade objects larger than 10 centimeters in Earth orbit as of July 2009, most orbit close to the Earth, top image. The lower image shows all items in orbit, both close to and far from the Earth.
A distinctive ring marks the geostationary orbit, a unique place where satellites orbit at the same rate that the Earth turns, allowing them to essentially remain over a single spot on Earth at all times. This orbit is invaluable for weather and communications satellites. When satellites in geostationary orbit are taken out of operation, they are moved to another orbit to keep the geostationary orbit clear. The dots between the geostationary orbit and the low-Earth orbit are in an orbit used by GPS satellites or a highly elliptical orbit, called Molniya, used to monitor the far north or south. To read more about common satellite orbits, see Catalog of Earth Satellite Orbits on the Earth Observatory.
Though the black dots that represent objects in space swarm around the Earth, obscuring the surface in the lower image, the space junk situation is not as dire as it may appear. The dots are not to scale, and space is a very big place. Collisions between large objects are fairly rare. The orbit of each piece is well known. If any debris comes into the path of an operating NASA satellite, flight controllers will maneuver the satellite out of harm’s way. As of May 2009, satellites in NASA’s Earth Observing System had been maneuvered three times to avoid orbital debris. NASA flight engineers are carefully tracking the debris from the Iridium collision, since much of it is near the altitude at which EOS satellites orbit.
To read more about what it takes to maintain a satellite’s orbit, common Earth orbits, and the science behind calculating an orbit, please see the Earth Observatory series About Orbits.

================================================================================

I have not read a solution to ridding space of our man made junk. The above article seems to present the stance that NASA and other countries have this *handled* [that] they are able to drive around the bumps in the space road. Don't worry your little heads about this? Someday they will have to deal, as the junk ever increases.============================================================================

http://earthobservatory.nasa.gov/IOTD/archive.php?m=04&y=2009

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jwhop
Knowflake

Posts: 1065
From: Madeira Beach, FL USA
Registered: Apr 2009

posted November 03, 2009 11:48 AM     Click Here to See the Profile for jwhop     Edit/Delete Message
The earth has been cooling for the past 10 years...since 1998. Further, the entire rise in temperature since the end of the Little Ice Age amounts to less than 1*C over more than 100 years.

Further, during those years, the hottest years recorded were in the 1930s AND during the 1920s and again in the 1970's when the Earth went into cooling periods scientists were fretting about another Ice Age. These scientists who were predicting another Ice Age in the 1970s include the foremost oracle of man made Global Warming, the lying through his teeth and global warming crackpot scientist, Jim Hansen, sidekick of the imbecile Algore.

Right now, the real climate scientists are worried that the SUN is in a cycle of little to no sunspot activity...similar to the period which preceded and lasted through the Little Ice Age.

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pire
Knowflake

Posts: 953
From:
Registered: Apr 2009

posted November 11, 2009 11:33 AM     Click Here to See the Profile for pire     Edit/Delete Message
thanks node

they could invent some machine the size of a country that would pick up those debris. it would create employement for the masses.

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katatonic
Knowflake

Posts: 2515
From:
Registered: Apr 2009

posted November 11, 2009 12:05 PM     Click Here to See the Profile for katatonic     Edit/Delete Message
isn't it great to know we have already filled a large part of our immediate space environment with - GARBAGE!! garbage that is potentially dangerous at that! perhaps it will help protect us from the gaping hole in the second picture.

global warming, global cooling, these things happen all the time....it is the JUNK we create that cannot be destroyed in a safe manner that is the biggest problem. junk in the air, the water, the earth, and now space too.

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katatonic
Knowflake

Posts: 2515
From:
Registered: Apr 2009

posted November 14, 2009 01:26 AM     Click Here to See the Profile for katatonic     Edit/Delete Message
the official announcement that water has been found on the moon...the 2012 movie...richard branson and his virgin spacelines...maybe if the "elite" move to the moon we might get some peace around this backwater?

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koiflower
Knowflake

Posts: 1041
From: Australia
Registered: Apr 2009

posted November 16, 2009 05:31 AM     Click Here to See the Profile for koiflower     Edit/Delete Message
Holy Mackeral - that space junk is crazy!!! I knew there was space junk, but the quantity is unbelievable!!

Is that pesky hole still in the ozone layer? I knew it was getting awfully close to New Zealand when I was growing up there. Unfortunately, I am a high-risk skin cancer candidate and need skin checks twice a year, probably as a result.

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