Category: SENTINEL telescope

Venture capital space missions are in the news a lot lately so why not this latest news from the B612 Foundation? Yesterday, as promised, it officially declared a goal to raise a few hundred million dollars for a space telescope. From solar orbit it would search for smallish asteroids, tens to a few hundred meters wide, with orbits that make it a bad bet to assume they won't hit Earth in the near or nearly near future. Such things could take out cities, lay waste to big counties, make trouble for much of a continent, maybe launch tsunamis if they splash into ocean,  but not end or derail civilization. NASA and other agencies already have a handle on big bruisers a half mile or several miles and see...