The universe began with a massive expansion, billions and billions of years ago, and it continues to expand with every passing second. The idea that the universe, and man's very existence, began with a "Big Bang" is no longer a topic of debate among most scientists--it is essentially taken as fact.
"Where Do We Begin?"
Did You Know?
Physicist Ralph Alpher, a pioneer of the Big Bang theory, gave his last interview for this documentary. See more
At 1:21 the narrator states: "One of these lumps of stardust, after being pummeled for eons by residual solar debris, has temperatures warm enough to allow for hydrogen dioxide, water, to build up in the atmosphere."
Hydrogen dioxide is called hydrogen peroxide. Water is dihydrogen monoxide. See more