New Hubble Space Telescope data suggests ‘something weird’ is going with our universe, Nasa says & More Trending News

The Hubble Space Telescope has reached a brand new milestone in its work to learn how rapidly the universe is increasing – and it helps the concept one thing unusual is taking place in our universe, Nasa says.

In latest years, astronomers have used telescopes like Hubble to grasp precisely how rapidly our universe is increasing.

But as these measures have develop into extra exact, they’ve additionally proven one thing unusual. There is a key distinction between the speed of the growth of the universe because it is round us, in comparison with observations from proper after the Big Bang.

Scientists are unable to clarify that discrepancy. But it suggests there is “something weird” going in our universe, that may very well be the results of unknown, new physics, Nasa says.

For the final 30 years, Hubble has been gathering data on a set of “milepost markets” in house and time that can be utilized to trace the growth charge of the universe as they transfer away from us.

It has now calibrated greater than 40 of the markers, Nasa introduced, permitting for much more precision than earlier than.

“You are getting the most precise measure of the expansion rate for the universe from the gold standard of telescopes and cosmic mile markers,” mentioned Nobel Laureate Adam Riess of the Space Telescope Science Institute (STScI) and the Johns Hopkins University in Baltimore, Maryland, in a press release.

He is the chief of a crew of scientists who’ve printed a brand new paper detailing the largest and what is most likely the final main replace from the Hubble Space Telescope, doubling the earlier set of mile markers in addition to reanalysing exsiting data.

The seek for a exact measure of how briskly house was increasing got here when American astronomer Edwin Hubble that galaxies outdoors of ours seemed to be shifting away from us – and doing so quicker the additional away from us they’re. Scientists have been trying to find a greater understanding of that growth ever since.

(Both the speed of growth and the house telescope that has been researching it are named Hubble, in honour of the astronomer’s work.)

When the house telescope began gathering details about the universe’s growth, nevertheless, it turned out to be extra fast than fashions had predicted. Astronomers predict that it must be about 67.5 kilometers per second per megaparsec, give or take 0.5 – however observations present it is round 73.

There is solely a one in one million likelihood that astronomers have gotten it mistaken. Instead, it suggests the universe’s evolution and growth is extra difficult than we had realised, and that there is extra to study how the universe is altering.

Scientists hope to delve deeper into that issue with the brand new James Webb Space Telescope, which lately launched to house and is set to ship again its first observations quickly. That ought to enable them to see new mileposts which might be even additional away and in higher decision.

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