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This would be true if the asteroid and the earth are both points. Obviously, they aren't. An observing scientist would not see it this way unless it were headin
by Smithalicious 7y ago
This would be true if the asteroid and the earth are both points. Obviously, they aren't. An observing scientist would not see it this way unless it were heading directly for them.
- phkahler 7y ago>> An observing scientist would not see it this way unless it were heading directly for them. That was my point exactly. An asteroid heading directly towards us will not appear to be moving against the background. If that movement is required in their detection methods, it will fail for the most dangerous ones.