If the universe had been around forever, then new stars would be born all the time. Star birth would be the same today, as it was 10 billion years ago or even longer. But pictures from deep space taken by the Hubble Space Telescope tell a different story.
In 1995, the Hubble Space Telescope took pictures of deep space. For ten days, the telescope was pointed at a tiny bit of sky close to the Big Dipper. When viewed by human eyes, the area shows total darkness. But the HST pictures picked up the faintest galaxies that had ever been seen up to 1995. The light from these galaxies had started its trip to earth more than 12 billions years ago.
The photos show that star birth was ten times higher billions of years ago. As time passes, the birth rate for stars has gone down. Scientists who specialize in deep space studies said some wild things. Here are some of their remarks.
- The Sun was born at the tail end of the population explosion of stars.
As time passes, star birth will go down even more and someday will stop. Today, most of the stars in the universe are at their "mid-life" age.
What is so important about the rate at which stars are born? This is another fact that tells us the universe had a beginning. I have listed several facts about stars that are supported by other reliable web sites.
- It is a fact that the early universe created stars formed out of dust and gas at a very high rate.
- It is a fact that Star birth rates are declining.
- It is a fact that all the stars will stop burning and die out as time moves forward.
- The universe had a beginning and eventually all stars will die.
- It is a fact that the universe is dying and cannot sustain itself.
Let's move to another find that requires us to look at the edge of the visible universe.
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Any new galaxies?