While the second season of Fox’s Cosmos series hosted by Neil deGrasse Tyson was meant to air in early March, the network has now postponed the premiere while it’s investigating allegations of sexual misconduct being leveled against the noted astrophysicist.
Based on physicists’ measurements, most of the mass in the universe is actually taken up by dark matter. Whatever this stuff is, we can see its effects on the behaviour of distant galaxies, though no experiment has detected it here on Earth. Doing so probably requires knowing how fast it…
Here’s some knowledge that will make you feel like a microbe: Our Milky Way galaxy, a collection of hundreds of billions of stars and worlds, is but a tiny nucleus buried deep inside an enormous blob of million-degree gas that’s spinning at a rip-roaring 644,000km per hour.