by msander | Sep 26, 2018 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
From asteroids capable of destroying entire species to supernovae that could exterminate life on Earth, outer space has no shortage of forces that could wreak havoc on our planet. But there’s something in space that is even more terrifying than any of these —...
by msander | Jan 29, 2018 | Gr. 11-12 Physics
This video is about the astronomical amount of astronomical evidence for black holes, ranging from x-ray binaries with accretion disks, supermassive infrared-radiating galactic nuclei black holes, orbital characteristics of high mass binaries, and direct gravitational...
by msander | Oct 23, 2017 | Gr. 11-12 Physics
The merging of two neutron stars was detected by gravitational waves and then by telescopes in all parts of the electromagnetic spectrum. This is a historic detection as it demonstrates: – the first gravitational waves detected from inspiraling neutron stars...
by msander | Sep 24, 2017 | Gr. 11-12 Physics
In September 2015, scientists witnessed something never seen before: two black holes colliding. Both about 30 times as big as our Sun, they had been orbiting each other for millions of years. A fraction of a second before the crash, they sent a vibration across the...
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