-
happened 5 billion years ago
-
-
Galieo did it and it was on august 1609
-
-
-
built by Edwin Powell Hubble
-
-
-
Lyman Spitzer helped create it
-
cosmic Background Explorer satellite develped by nasa was used to confirm it
-
Lyman Spitzer helped make it
-
Happened at start of universe hundreds of billions of years ago.
-
Happened seconds after the big bang.
-
happened 3.8 billion years ago