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Fwd = Space Debris

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  • Frits Westra
    Forwarded by: fwestra@hetnet.nl (Frits Westra) Originally from: Internet Scout Project Original Subject: The NSDL Scout Report for
    Message 1 of 1 , Mar 7, 2003
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      Forwarded by: fwestra@... (Frits Westra)
      Originally from: Internet Scout Project <scout@...>
      Original Subject: The NSDL Scout Report for the Physical Sciences -- March 7, 2003
      Original Date: Fri, 7 Mar 2003 12:59:53 -0600

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      Space Debris

      1. Space Debris
      http://esip.gmu.edu/~rgomez/spring02/lectures/part2lecture1/space_debris/sld001
      htm
      2. Space Junk: The Stuff Left Behind
      http://www.space.com/spacewatch/space_junk.html
      3. Nature's Tiniest Space Junk [RealPlayer]
      http://science.nasa.gov/headlines/y2001/ast21feb_1.htm
      4. Simulation of Orbital Debris Shielding Performance at High Impact
      Velocities
      http://www.tacc.utexas.edu/research/users/fahrenthold/
      5. Hypervelocity Impact Test Facility: Orbital Debris and Micrometeoroids
      http://www.wstf.nasa.gov/Hazard/Hyper/debris.htm
      6. Pelted by Paint, Downed by Debris
      http://www.thebulletin.org/issues/2002/so02/so02primack.html
      7. Protecting the Space Station from Meteoroids and Orbital Debris
      http://www.nap.edu/books/0309056306/html/index.html
      8. Center for Orbital and Reentry Debris Studies
      http://www.aero.org/cords/

      This Topic in Depth begins with a Web site maintained by Dr. Richard B.
      Gomez of George Mason University called Space Debris (1). The site is
      offered as a slide presentation, which explains what space debris is, where
      it comes from, if it's dangerous, what is known about it, and what can be
      done about it. The very interesting site is perfect for non-experts because
      of its simple descriptions and abundance of graphics. The second site from
      Space.com is an article written by Robert Roy Britt entitled Space Junk: The
      Stuff Left Behind (2). Visitors can read about the number of objects being
      tracked (at the time the article was written), what the total weight of
      these objects is, view a table of the number of various pieces of space junk
      by country, and even find out it if there is a risk of getting hit in the
      head by these objects. The next site, Nature's Tiniest Space Junk (3), is
      offered by NASA's news portal Science@NASA Web site. The page describes how
      scientists are monitoring tiny dust sized meteoroids that are constantly
      flying around our planet that have the potential to be quite dangerous. For
      those really interested, the site lets people listen to audio files of the
      meteor radar in action. The fourth site on space junk, maintained by the
      Texas Advanced Computing Center, is a Simulation of Orbital Debris Shielding
      Performance at High Impact Velocities (4). The page highlights the work of
      Dr. Eric Fahrenthold, who is simulating orbital debris shielding performance
      at high impact velocities. A basic description of the work is offered along
      with the simulation itself, which shows a piece of space debris striking a
      surface. Next, from NASA's Hazards Assessment Web site, comes the
      Hypervelocity Impact Test Facility: Orbital Debris and Micrometeoroids (5)
      page. Readers can find out more on the problem of space junk, why NASA feels
      its so important to study simulating particle impacts on spacecraft, the
      lightweight shields that are in place on the International Space Station,
      and more. The sixth site is an article that appeared in the Bulletin of the
      Atomic Scientists by Joel Primack called Pelted by Paint, Downed by Debris
      (6). Although there's not a large amount of content on the site, it does
      give some interesting information on a different aspect of the subject. The
      author describes how any missile defense program could be detrimentally
      affected by space debris and suggests the need for space agencies to take
      active steps to prevent its buildup. The National Academies Press offers the
      next site, which is actually an online book on Protecting the Space Station
      from Meteoroids and Orbital Debris (7). Contents include risk management
      strategies for the space station, debris modeling, shielding the station,
      collision warning and avoidance, and more. The last site is from the
      Aerospace Corporation and its Center for Orbital and Reentry Debris Studies
      (8). Visitors will find an introduction to the Center, the basics of space
      debris, what happens during satellite reentry, re-entry data and
      predictions, additional links, and more. [JAB]

      >From The NSDL Scout Report for the Physical Sciences, Copyright Internet
      Scout Project 1994-2002. http://scout.wisc.edu/

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