WATCH THE SKIES!!!
Posted on 04/12/2002 6:24:24 AM PDT by blam
WATCH THE SKIES!!!
I can't worry about this. I'm doing my income taxes this weekend. However, if we're all gonna get wiped out, maybe I just won't bother.
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ESA selects targets for asteroid-deflecting mission Don Quijote
ESA Homepage | 26 September 2005 | Andrés Gálvez
Posted on 09/26/2005 12:17:31 PM PDT by MHalblaub
http://www.freerepublic.com/focus/news/1491615/posts
11 posted on 12/26/2005 8:05:43 PM PST by SunkenCiv
http://www.freerepublic.com/focus/news/1491615/posts?page=11#11
A Blast from the Past, possible space ping?
Nice link, sorry, don't know who it was and don't feel like checking (I'm even lazier when I'm on dialup connections):
http://www.gps.caltech.edu/~margot/2000DP107/
First Neptune Trojan Discovered
Lowell Observatory | January 8, 2003 | Kristi Phillips, Manager of Media Relations and Public Affairs
Posted on 12/28/2005 3:40:34 PM PST by SunkenCiv
http://www.freerepublic.com/focus/f-chat/1548366/posts
And it is probable, they say, that these double asteroid systems have been formed as a result of gravitational effects during close encounters with at least two of the inner planets, including Earth.
----
"then we found that smaller comets were born in contacts between Venus and Mars, thus offering an explantion of the principle of the origin of the comets in the solar system..."
Epilogue
Facing Many Problems.
Worlds In Collision.
Author:
Immanuel Velikovsky.
Is Phoebe A Kuiper Belt Object?[T]he Kuiper Belt binaries might have formed more directly through low velocity collisions between KBOs. When the relative velocities are smaller than or comparable to the gravitational escape speeds from the colliding objects, some fraction of the collisions will "stick", resulting in peanut shaped contact binaries. Others will bounce, with some ejection of mass (and energy) allowing binaries to form. Still others will collide but not lose enough energy in order to become bound. In this scenario, the binary KBOs are products of low velocity (100 m/s) collisions in the Kuiper Belt.
by David Jewitt
Last updated Feb 2004
One problem is that collisions between 100 km sized KBOs are currently very rare: too rare to account for the inferred number of binaries. Independent evidence suggests that the Kuiper Belt was once about 100 times more massive than now, so this suggestion is not completely out of line. But another problem is that the known Kuiper Belt binaries tend to have components of comparable mass. Binaries produced collisionally are most usually highly asymetric in the masses of their components...
These ideas all require a much denser Kuiper Belt in order to be effective, and thus make the binaries "primordial" features of the Belt. Petit and collaborators have shown that the stability of wide binaries is marginal on timescales comparable to the age of the solar system. They argue that the existing binaries represent just a faction of those initially present.
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