Universe Expanding Rate


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Mystery of Universe's Expansion Rate Widens With New Hubble ...

Mystery Of Universe's Expansion Rate Widens With New Hubble ...

The universe is getting bigger every second — but how fast? Astronomers using NASA's Hubble Space Telescope say they have crossed an important threshold in revealing a discrepancy between the two key techniques for measuring the universe's expansion rate. Apr 25, 2019 ... The new estimate of the Hubble constant is 74 kilometers (46 miles) per second per megaparsec. This means that for every 3.3 million light-years ... [ReadMore..]

Dark Energy, Dark Matter | Science Mission Directorate

Dark Energy, Dark Matter | Science Mission Directorate

So the expansion of the universe has not been slowing due to gravity, ... Astronomers theorize that the faster expansion rate is due to a mysterious, ... [ReadMore..]

The universe is expanding faster than it should be

The Universe Is Expanding Faster Than It Should Be

The latest measurements with the Hubble Space Telescope suggest the universe is expanding faster than scientists' models predict—a hint that some unknown ingredient could be at work in the cosmos. Dec 17, 2021 ... This method predicts that the universe should be expanding at a rate of about 67.36 kilometers per second per megaparsec (a megaparsec equals ... [ReadMore..]

No One Can Agree How Fast Universe Is Expanding. New Measure ...

No One Can Agree How Fast Universe Is Expanding. New Measure ...

We just might need new physics to get out of this mess. Jan 9, 2020 ... But by looking at pulsating stars known as Cepheid variables, a different group of astronomers has calculated the Hubble constant to be 50,400 ... [ReadMore..]

Hubble telescope refines universe expansion rate mystery | Space

Hubble Telescope Refines Universe Expansion Rate Mystery | Space

The Hubble telescope just made its best measurement yet of the universe's current expansion rate, but it still doesn't match the early universe. 10 hours ago ... Scientists have a new, more accurate, measurement of the expansion of the universe thanks to observations by the Hubble Space Telescope. [ReadMore..]

How fast is our universe expanding? | Astronomy Essentials | EarthSky

How Fast Is Our Universe Expanding? | Astronomy Essentials | EarthSky

Here's a great New ScienceCast video about the controversial Hubble Constant. It's the key to knowing the age of our universe and much more. Sep 26, 2017 ... Hubble's Constant, or H0 (pronounced “H-nought”), is the name given by astronomers to the rate of the expansion of the universe. [ReadMore..]

How fast is the universe expanding? | Kavli Foundation

How Fast Is The Universe Expanding? | Kavli Foundation

Scientists aren't sure, and all of cosmic history depends on it Jul 16, 2019 ... Already mindbogglingly large, the universe is actually getting bigger all the time. Some of the nearest galaxies to ours are receding at a rate ... [ReadMore..]

The Expanding Universe: From Slowdown to Speed Up - Scientific ...

The Expanding Universe: From Slowdown To Speed Up - Scientific ...

Distant supernovae are revealing the crucial time when the expansion of the universe changed from decelerating to accelerating Sep 23, 2008 ... And this explanation, in turn, led to the conclusion that the expansion of the universe is actually speeding up, not slowing down. This was such ... [ReadMore..]

Cosmologists Debate How Fast the Universe Is Expanding | Quanta ...

Cosmologists Debate How Fast The Universe Is Expanding | Quanta ...

New measurements could upend the standard theory of the cosmos that has reigned since the discovery of dark energy 21 years ago. Aug 8, 2019 ... The Planck team predicts that the universe should expand at a rate of 67.4 kilometers per second per megaparsec. That is, as you look farther ... [ReadMore..]

What Might Be Speeding Up the Universe's Expansion? | Quanta ...

What Might Be Speeding Up The Universe's Expansion? | Quanta ...

Physicists have proposed extra cosmic ingredients that could explain the faster-than-expected expansion of space. Apr 27, 2020 ... Cosmologists base their expectation of the expansion rate — a rate ... they see a universe that's expanding faster, with a larger Hubble ... [ReadMore..]

Expansion of the universe - Wikipedia

Expansion Of The Universe - Wikipedia

In June 2016, NASA and ESA scientists reported that the universe was found to be ... [ReadMore..]