We tested Einstein’s theory of gravity on the scale of the universe & here’s what we found
Gaps in our understanding start to appear when we try to apply it to extremely small distances or when we try to describe the entire universe
This is how far human radio broadcasts have reached into the galaxy (map)
Gives you perspective, doesn't it?
Job opportunity in NASA: They are looking for an astronaut – The skills you need to “survive” one year on Mars
The NASA search focuses on finding four individuals who embody the spirit and skills of astronauts
