If scientists know how the universe is made then what will happen from that – what kind of benefit would they get from it?
Like space time is the black stuff of space and gravity related in the same way? We know that galaxies are spinning to fast to stay together. They say it is the black stuff that stops or controls them from flying apart. So does gravity and the black stuff work together, and cannot be separated?
Don Lykles. New Zealand (55+)
How are galaxies speeding away from earth at 1 million meters per second? Why dont they look like they are moving that fast?
Asked by: Tiana
Filed under: Astronomy Big Questions, Astrophysics Big Questions, Cosmology Big Questions, Physics Big Questions, Planetary Science Big Questions, Science Big Questions, Unanswered Big Questions | 1 Comment »
How long would it take for light from the sun to reach the edge of the universe?
Rhys Harniess from Hertfordshire (Aged 15-25)