What we can see in our galaxy
Does space have an edge
No, because for what we know there's no physical wall or boundary.
what is the fastest thing in space
Light
how fast is the speed of light in Miles per second rounded to the nearest thousand
186,000 miles per second
how many galaxies are we able to observe
Potentially 200 billion in the observable universe
How many times can you go around the earth in one second
7.5 times in one second
if another galaxy was to come at us in slow motion what would it look like
One big mirror reflecting light
The expansion of space