Asteroid Discoveries May Outpace Ability to Assess Threat to Earth
By Robert Roy Britt
Senior Science Writer
After hunting asteroids for two centuries, astronomers achieved a minor milestone earlier this month when the tally of known space rocks whose orbits are well established surpassed 30,000, three times the total less than 3 years ago.
There was no press release. The people who do the counting are too busy for ballyhoo.
And soon they will be busier. The tally is expected to double......(snip)
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Maybe they're finding more asteroids because of advanced technology, better telescopes. The asteroids have always been there; they can just see them now.
As late as the late 1800's the majority of people didn't believe in giraffes because hardly anyone had seen one.