When a powerful "superflare" from the sun scoured the solar system more than 1,200 years ago, it had little effect on Earth's inhabitants -- but today's astronauts wouldn't be so lucky.
When a powerful "superflare" from the sun scoured the solar system more than 1,200 years ago, it had little effect on Earth's inhabitants -- but today's astronauts wouldn't be so lucky.
Please to comment