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Planetary Defence is defined as that activity concerned with protecting the Earth and its inhabitants from destruction due to impact by a large piece of space debris such as an asteroid or a comet.
The majority of Project Wormwood activities will be follow-up astrometry (position measurements) that are required to obtain precise orbits for asteroids that have previously been discovered by other programs. However, we hope to also engage in some limited search activity for new asteroids. We will concentrate particularly on those areas of the sky with declinations south of -30 degrees. Although the asteroid population outside the declination range from +30 to -30 degrees is likely to be significantly less than the area inside this range (ie the range recommended by Spaceguard for NEO searches), it is also an area less accessible to the major Northern Hemisphere search programs, and thus offers a southern hemisphere site a search advantage. If possible, a small amount of time will also be devoted to asteroid light curve measurements (photometry) to help increase our knowledge of asteroid rotation rates. Specific activities will be posted in the ACTIVITIES section of this web site.
To help mitigate popular confusion with the Nemesis model (Whitmire and Jackson ( 1984), Davis et al. ( 1984)) we use the name recently suggested by Kirkpatrick and Wright (2010), Tyche, (the good sister of Nemesis) for the putative companion.
Originally posted by stereologist
reply to post by dragnet53
Nice to see you care dragnet53. Like the new avatar? Any thoughts?
Originally posted by stereologist
reply to post by dragnet53
I guess you have to repeat yourself when people repeatedly state the same nonsense. After a while you can point people in the direction that denies ignorance. It may take a while, but it can be done.
You've posted links to some interesting journal articles. Seen anything interesting lately?