4 ms·
Mass extinction due to meteor strike is just one hypothesis.
by majkinetor 9y ago
Mass extinction due to meteor strike is just one hypothesis.
- castis 9y agoThat's 100% of the point. If other planets/moons/whatever haven't been colonized by the time humanity gets empirical data for that hypothesis, a lot of people are going to wish they'd put that a little higher on the list.