India among top 10 countries likely to be worst hit by asteroid impact

Findings indicate there are roughly 4,700 PHAs, plus or minus 1,500, with diameters larger than 330 feet. So far, an estimated 20 to 30 percent of these objects have been found.Scientists have also drawn up a league table of the countries which will be worst affected in the event of an asteroid strike.

Findings indicate there are roughly 4,700 PHAs, plus or minus 1,500, with diameters larger than 330 feet. So far, an estimated 20 to 30 percent of these objects have been found.Scientists have also drawn up a league table of the countries which will be worst affected in the event of an asteroid strike.