It’s not a stretch to say these astronomers fundamentally changed the way we think about our place in the universe. We can gain insights into how this profound shift unfolded by looking at their actual notes.
For decades, astronomers have been talking about of galaxies with supermassive black holes at their cores. Now they say they’ve clearly confirmed a black hole’s encircling, dusty, spinning disk of gas.
2 International Space Station (ISS) astronauts will perform a spacewalk on February 15. Live TV coverage starts at 10:30 UTC (5:30 a.m. EST). The spacewalk begins at 12:10 UTC (7:10 a.m. EST) and lasts about 6 hours.
As the young moon receded from Earth and began spinning more slowly, its large equatorial bulge would have shrunk, cooled and hardened. Today, this fossil bulge on the moon tells a story about the early solar system.