Andy
@andybaumgar
ID: 5417522
23-04-2007 01:57:53
271 Tweet
23 Takipçi
145 Takip Edilen
Attention is the great equalizer, zeynep tufekci says. We all have a limited supply of it. n.pr/2xeppjv
Ever wondered how fast the material around a black hole is moving? In the final video of Space Telescope Science Institute's #ReadingTheRainbow series, learn how astronomers can read light's rainbow, or spectra, to measure the speed of something far away in space.
Have you ever spotted the International Space Station? It’s not uncommon to see the ISS as a light moving across the sky just after sunset or before sunrise, when the Sun’s light reflects off it, but this view of the ISS transiting the Sun requires special equipment to catch.