Taking Temperature Of Universe In Past Reveals Cooling Trend
Astronomers using the CSIRO radio telescope have discovered that the Universe’s temperature has cooled down, which falls right in line with the Big Bang theory.
An international team of astronomers from Sweden, France, Germany and Australia used the CSIRO Australia Telescope Compact Array near Narrabi to measure how warm the Universe was when it was half its current age.
“This is the most precise measurement ever made of how the Universe has cooled down during its 13.77 billion year history,” Dr Robert Braun, Chief Scientist at CSIRO Astronomy and Space Science, said in a statement.
In order to take a temperature of the Universe’s past, astronomers needed to look about half-way into space. Because light takes time to get from one place to another, astronomers are able to peer into the history of the Universe by observing galaxies and quasars far away.
The team studied gas in an unnamed galaxy 7.2 billion light-years away, and found that the only thing keeping this gas warm is the cosmic background radiation.
There is another powerful galaxy, a quasar referred to as PKS 1830-211, lying behind the unnamed galaxy. Radio waves from this quasar come through the gas of the foreground galaxy.
As these waves make their way through the gas, the gas molecules absorb some of the energy of the radio waves, leaving a “fingerprint” on the radio waves.
Astronomers are able to use this “fingerprint” to help them calculate the temperature of the gas. By using this technique, the astronomers learned the gas was at about 5.08 Kelvin (-450 degrees Fahrenheit), which is extremely cold, but still warmer than today’s Universe. Currently, astronomers believe the temperature of the universe is about 2.73 degrees Kelvin (-454 degrees Fahrenheit).
The Big Bang theory predicts that the temperature of the cosmic background radiation drops smoothly as the Universe expands.
“That’s just what we see in our measurements. The Universe of a few billion years ago was a few degrees warmer than it is now, exactly as the Big Bang Theory predicts,” research team leader Dr Sebastien Muller of Onsala Space Observatory at Chalmers University of Technology in Sweden, said.
redOrbit.com
offers Science, Space, Technology, Health news, videos, images and
reference information. For the latest science news, space news,
technology news, health news visit redOrbit.com frequently. Learn
something new every day.\”
2013-01-23 14:17:56
Source: http://www.redorbit.com/news/space/1112769212/past-temperature-universe-cooling-trend-012313/
Source:
Anyone can join.
Anyone can contribute.
Anyone can become informed about their world.
"United We Stand" Click Here To Create Your Personal Citizen Journalist Account Today, Be Sure To Invite Your Friends.
Before It’s News® is a community of individuals who report on what’s going on around them, from all around the world. Anyone can join. Anyone can contribute. Anyone can become informed about their world. "United We Stand" Click Here To Create Your Personal Citizen Journalist Account Today, Be Sure To Invite Your Friends.
LION'S MANE PRODUCT
Try Our Lion’s Mane WHOLE MIND Nootropic Blend 60 Capsules
Mushrooms are having a moment. One fabulous fungus in particular, lion’s mane, may help improve memory, depression and anxiety symptoms. They are also an excellent source of nutrients that show promise as a therapy for dementia, and other neurodegenerative diseases. If you’re living with anxiety or depression, you may be curious about all the therapy options out there — including the natural ones.Our Lion’s Mane WHOLE MIND Nootropic Blend has been formulated to utilize the potency of Lion’s mane but also include the benefits of four other Highly Beneficial Mushrooms. Synergistically, they work together to Build your health through improving cognitive function and immunity regardless of your age. Our Nootropic not only improves your Cognitive Function and Activates your Immune System, but it benefits growth of Essential Gut Flora, further enhancing your Vitality.
Our Formula includes: Lion’s Mane Mushrooms which Increase Brain Power through nerve growth, lessen anxiety, reduce depression, and improve concentration. Its an excellent adaptogen, promotes sleep and improves immunity. Shiitake Mushrooms which Fight cancer cells and infectious disease, boost the immune system, promotes brain function, and serves as a source of B vitamins. Maitake Mushrooms which regulate blood sugar levels of diabetics, reduce hypertension and boosts the immune system. Reishi Mushrooms which Fight inflammation, liver disease, fatigue, tumor growth and cancer. They Improve skin disorders and soothes digestive problems, stomach ulcers and leaky gut syndrome. Chaga Mushrooms which have anti-aging effects, boost immune function, improve stamina and athletic performance, even act as a natural aphrodisiac, fighting diabetes and improving liver function. Try Our Lion’s Mane WHOLE MIND Nootropic Blend 60 Capsules Today. Be 100% Satisfied or Receive a Full Money Back Guarantee. Order Yours Today by Following This Link.
| Visits: | 1,707,562,639 |
| Stories: | 8,448,067 |
Whistler Blowers, Insiders
