The Hubble telescope has made an amazing discovery, which indicates that something strange is happening in our universe.
He writes for the British newspaper independent.
Astronomers use the Hubble telescope to study how fast the universe is expanding.
If you find out how quickly this happens, you can find out the age of the universe. NASA describes the search for the answer as the Holy Grail of the 20th century in one Brand new statement.
More precisely than before
Without going into too much technical detail, astronomers study this rate using a series of landmarks that mark time and space.
When the Hubble telescope opened in 1990, this rate of expansion was so uncertain that it could be between 8 and 20 billion years.
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But now NASA has reported that it has calibrated more than 40 landmarks, making the telescope more accurate than before.
“You get the most accurate measurements of the expansion rate of the universe from the gold standard for telescopes and cosmic landmarks,” said Adam Rees, a Nobel laureate from the Space Telescope Science Institute and Johns Hopkins University.
Needle from the past to the future
He leads a collaborative science project called SHOES, which studies the rate of expansion of the universe.
The project will map the universe by matching the so-called Hubble constant with cosmic microwave radiation left over from the origin of the universe.
The results of SHOES’ work have been published in a special issue of the peer-reviewed journal Astrophysical Journal.
The Hubble constant is a very special number. It can be used to sew a needle from the past into the future, to test our understanding of the universe. This requires a tremendous amount of detailed work, says cosmologist Licia Verdi.
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Today, astronomers have narrowed their measurements down to an accuracy of one percent. It can be used to predict that the universe will double in size within 10 billion years.
strange and inexplicable
This is where NASA discovered something they describe as “strange.”
In fact, there is a big difference between the rate of expansion of the universe that includes us today, and the observations immediately after the Big Bang.
Science does not succeed in explaining why.
– That’s what the Hubble telescope was built for, and it uses the best technology we know. This is perhaps Hubble’s greatest authorship (masterpiece, editor’s note), says Ries.
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The discovery indicates that something strange is going on in the universe, according to NASA.
When the updated telescope began collecting information about the expansion of the universe, it turned out that it was going much faster than expected.
Astronomers predicted that it would be moving at 67.5 kilometers per second per megaparsec – with a margin of error of about 0.5.
Unknown forces?
Instead, the observations show that the speed is about 73.
Distances to galaxies and galaxy clusters are measured in megaparsecs. One megafreck equals 3.262 million light-years.
According to Reese, there is only a 1 in 1 million chance that astronomers have made a mistake.
According to NASA, this messed up what began to look like an elegant picture of the dynamic evolution of the universe.
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Astronomers cannot explain this. This indicates that the evolution of the universe is more complex than we thought.
According to NASA, the answers may come from other as yet unknown physical forces in the universe.
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