expansion
30 Years of City Growth Seen From Space
Since the launch of its first satellite in 1972, the eight NASA/USGS Landsat satellites have made the longest continuous observations…
11 years ago
Universe Could be 250 Times Bigger Than What is Observable
[/caption] Our Universe is an enormous place; that's no secret. What is up for discussion, however, is just how enormous…
14 years ago
Why are Distant Galaxies Moving Away Faster?
Question: Why are more distant galaxies moving away faster? Answer: As you know, the Universe is expanding after the Big…
17 years ago