Oldest galaxy found and why we care
Understanding our physical origins helps us to understand our spiritual place.
Japanese astronomers claim to have found the oldest galaxy yet at 12.91 billion light years distance. Looking at primitive galaxies gives astronomers an important look back into time, when the universe was young. The current discovery comes after observations taken with the Mauna Kea telescope in Hawaii.
When telescopes like the Hubble peer deeply into space, all that can be seen are more and more galaxies emerging from the dark. Each point of light on this image is a galaxy, itself containing hundreds of billions of stars.
Nearly all astronomers and cosmologists now agree that the universe began around 13.75 billion years ago in a great event called "the Big Bang." The Big Bang represents the moment of creation and the start of time as we know it. All of the observational data gathered since Monsignor Georges Lemaitre (a Catholic priest) proposed the original theory nearly a century ago, supports this theory of physical creation.
Owing to increasingly powerful telescopes, we are able to see yet fainter objects which are much farther away. In this case, scientists have been able to observe a galaxy that is 12.91 billion light years away. Because light must travel from that galaxy to our eyes on Earth, it takes time and the result is we observe the galaxy as it appeared 12.91 billion years ago.
To understand that light travels, consider that light from the sun is about 8 light minutes old, by comparison. This means that if the sun were to stop shining, it would take us eight minutes to notice.
Essentially, what astronomers are seeing is one of the first galaxies in the universe. It is quite literally a baby picture of the universe.
Why we care
Such observations are critical for understanding how the universe formed and if the Big Bang was, in fact, the physical cause. These deeper cosmological questions matter because they give us a sense of understanding and self by helping us to appreciate our origins and place in the universe.
The physical understanding should healthily compliment our spiritual understanding.
While we grapple with the mind-boggling distances and expanses of time, astronomers are literally competing to find yet older galaxies. French and American teams using the Hubble Space telescope both have rival claims, but those claims are yet to be verified.
© 2014 - Distributed by THE NEWS CONSORTIUM
Pope Francis Prayer Intentions for March 2014
Respect for Women: That all cultures may respect the rights and dignity of women.
Vocations: That many young people may accept the Lordís invitation to consecrate their lives to proclaiming the Gospel.
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