Articles with tagged Expanding


bubble universes theory

Bubble Universes Theory

Jan 4, 2019 ... Like a bit of froth on the crest of an ocean wave, our observable universe may be nothing more than a sliver sitting within the edge of a ... [ReadMore..]

is the universe a bubble

Is The Universe A Bubble

It would explain a lot. Mar 24, 2020 ... The bubble concept could explain one of the strangest mysteries plaguing astrophysics: Why can't we tell how fast the universe is expanding? [ReadMore..]

expansion of universe

Expansion Of Universe

The Hubble Space Telescope has helped scientists understand that the universe is expanding at an accelerating rate, all while uncovering a mysterious wrinkle that only brand-new physics may solve. May [ReadMore..]

how fast is universe expanding

How Fast Is Universe Expanding

In June 2016, NASA and ESA scientists reported that the universe was found to be expanding 5% to 9% faster than ... [ReadMore..]

expansion theory of the universe

Expansion Theory Of The Universe

This web exhibit from the American Institute of Physics explores the history of cosmology from ancient Greek astronomy to modern space telescopes. In the early 20th century the common worldview held t [ReadMore..]

expansion rate of universe

Expansion Rate Of Universe

We present a new methodology to determine the expansion history of the Universe analyzing the spectral properties of early type galaxies (ETG). We found that for these galaxies the 4000Åbreak is a sp [ReadMore..]

acceleration of universe expansion

Acceleration Of Universe Expansion

Feb 3, 2015 ... Scientist who helped discover the expansion of the universe is accelerating ... In the late 1980s, astrophysicist Saul Perlmutter and his ... [ReadMore..]

why is the universe expanding faster

Why Is The Universe Expanding Faster

The expansion rate is dropping, but distant galaxies are accelerating. Here's how. Jan 5, 2021 ... The expansion rate drops, asymptoting to a constant (but positive) value, while the expansion speed i [ReadMore..]

why is space expanding

Why Is Space Expanding

Space is expanding ever more rapidly and scientists are researching dark energy to understand why. Jun 21, 2017 ... A competing theory posits that the universe is expanding ever more rapidly because g [ReadMore..]

is our universe expanding

Is Our Universe Expanding

The evolution and content of our ballooning universe Jan 18, 2022 ... If so, the universe has no bounds and will expand forever, but the rate of expansion will gradually approach zero (opens in new ta [ReadMore..]

rate of universe expanding

Rate Of Universe Expanding

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. May 21, 2022 ... The new study confirms previous expans [ReadMore..]

speed of expanding universe

Speed Of Expanding Universe

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 our [ReadMore..]

the big bounce astronomy

The Big Bounce Astronomy

(2021) Predicting the Curvature of the Cosmos, and Point of Volume Contraction in a Big Bounce Scenario. International Journal of Astronomy and Astrophysics, 11 ... [ReadMore..]

universe expanding faster

Universe Expanding Faster

A new, precise measurement of how fast the universe is expanding doesn’t agree with predictions based on our current understanding of the physics of the cosmos Jun 2, 2016 ... Astronomers have obtai [ReadMore..]

expansion of space

Expansion Of Space

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. D [ReadMore..]

einstein's theory of the universe

Einstein's Theory Of The Universe

A century ago Albert Einstein unveiled a theory that would change the world — general relativity. Here are five things that need general relativity to work, and may help you manipulate that mind int [ReadMore..]

origin of the universe theories

Origin Of The Universe Theories

The term "evolution" usually refers to the biological evolution of living things. But the processes by which planets, stars, galaxies, and the universe form and change over time are also types of "evo [ReadMore..]

beginning of universe theories

Beginning Of Universe Theories

S By far the most popular theory in science today is the big bang theory, the idea that the universe came into existence at a certain point in time roughly 15 to ... [ReadMore..]

is the expansion of the universe accelerating

Is The Expansion Of The Universe Accelerating

Is the Expansion of the Universe Accelerating? All Signs Still Point to Yes: A Local Dipole Anisotropy Cannot Explain Dark Energy. [ReadMore..]

what is the universe expanding into

What Is The Universe Expanding Into

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts Apr 18, 2021 ... We see a [ReadMore..]

how is the universe expanding

How Is The Universe Expanding

Space is expanding ever more rapidly and scientists are researching dark energy to understand why. Jun 21, 2017 ... A competing theory posits that the universe is expanding ever more rapidly because g [ReadMore..]

why is universe expansion accelerating

Why Is Universe Expansion Accelerating

The expansion rate is dropping, but distant galaxies are accelerating. Here's how. Jan 5, 2021 ... The expansion rate drops, asymptoting to a constant (but positive) value, while the expansion speed i [ReadMore..]

dark energy accelerated expansion

Dark Energy Accelerated Expansion

Physicists have proposed extra cosmic ingredients that could explain the faster-than-expected expansion of space. Apr 27, 2020 ... An extra dose of dark energy in the early universe, dubbed early dark [ReadMore..]

universe expands

Universe Expands

In just 100 million years, the universe could start to shrink, new research suggests. May 2, 2022 ... After nearly 13.8 billion years of nonstop expansion, the universe could soon grind to a standstil [ReadMore..]

universe expanded

Universe Expanded

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 ke [ReadMore..]

how fast is the universe expanding

How Fast Is The Universe Expanding

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 ke [ReadMore..]

universe expanding faster than light

Universe Expanding Faster Than Light

How the Universe’s expansion rate continues to baffle us. Jun 24, 2017 ... But faster than the speed of light? You need to be in the same location in order to measure that. Relative to our location, [ReadMore..]

what is space expanding into

What Is Space Expanding Into

Dec 13, 2017 ... Humanity's Expansion into Deep Space Is Inevitable, Industry Experts Say ... There will be a market for humanity's expansion beyond Earth orbit, ... [ReadMore..]

expansion of the universe

Expansion Of The Universe

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. D [ReadMore..]

universe expanding rate

Universe Expanding Rate

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 ke [ReadMore..]

universe expanding at increasing speed

Universe Expanding At Increasing Speed

Physicists have proposed extra cosmic ingredients that could explain the faster-than-expected expansion of space. Apr 27, 2020 ... An extra dose of dark energy in the early universe, dubbed early dark [ReadMore..]

expansion of the universe speed

Expansion Of The Universe Speed

According to Einstein, no matter can travel faster than light. So how did the early Universe expand at a rate faster than light? Feb 2, 2022 ... It is perfectly true that Einstein's special theory of [ReadMore..]

how fast is the universe expanding mph

How Fast Is The Universe Expanding Mph

May 11, 2022 ... That is because the Earth itself is rotating at a speed of around 1,000 miles per hour. Astronomy Scale and History of the Universe Expansion of ... [ReadMore..]

does the universe ever end

Does The Universe Ever End

Dear Dr. Universe: Where does the universe end? — Oriah, 8, Pullman Feb 29, 2020 ... When you look up at the night sky, it can feel like the universe is a big blanket of stars above you. But unlike [ReadMore..]

is there an end to space

Is There An End To Space

This one's a real head-scratcher. Feb 25, 2022 ... What's beyond the known limits? What lies outside the boundary of the universe? The answer is — well, it's complicated. [ReadMore..]

will the universe die

Will The Universe Die

Astrophysicist Katie Mack’s book explores all the ways the cosmos could destroy itself. Aug 10, 2020 ... Scientists know how the world will end. The Sun will run out of fuel and enter its red-giant [ReadMore..]

universe expantion

Universe Expantion

By the end of this section, you will be able to: Describe how we estimate the age of the universe; Explain how changes in the rate of expansion over time affect ... [ReadMore..]

bubble universe theory

Bubble Universe Theory

Sci-fi loves parallel universes. But could we really be in one? Then, according to the Big Bang theory, it burst into action, inflating faster than the speed of light in all ... [ReadMore..]

why is the universe flat

Why Is The Universe Flat

"This result shows the power of galaxy surveys to pin down the amount of dark energy and how it evolved over the last billion years." By improving the way astronomers measure the impact of dark energy [ReadMore..]

cosmology news today

Cosmology News Today

Cosmologist Kendrick Smith will present a free live Webcast on the quest to understand the origin of the universe   Feb 4, 2015 ... Watch Live Today: The Future of Cosmology [Video]. Cosmologist Ken [ReadMore..]

flat universe model

Flat Universe Model

The scenario of an emergent universe provides a promising resolution to the big bang singularity in universes with positive or negative spatial curvature. It however remains unclear whether the scenar [ReadMore..]

how fast does the universe expand

How Fast Does The Universe Expand

Among the methods astronomers have found to measure the expansion rate of the local universe, the Hubble constant, surface brightness fluctuations is potentially one of the most precise. Scientists ha [ReadMore..]

the universe is not expanding

The Universe Is Not Expanding

Mar 17, 2015 ... Hubble used an additional 22 galaxies for which velocities were available (from Slipher measurements), but no individually estimated distances. [ReadMore..]

expanding universe theory

Expanding Universe Theory

We present a conformal field theory - obtained from a gauged WZW model - that describes a closed, inhomogeneous expanding and recollapsing universe in… Oct 29, 1992 ... We present a conformal field [ReadMore..]

is the universe expanding faster than light

Is The Universe Expanding Faster Than Light

Measurements taken by Hubble space telescope conflict with studies of radiation left over from Big Bang – fuelling theories of ‘dark energy’ and mystery particles Jun 3, 2016 ... Nasa and the Eu [ReadMore..]

is the universe really expanding

Is The Universe Really Expanding

Behind the astronomical dispute that’s splitting apart the cosmos. Jan 19, 2019 ... Measurements of the Hubble constant made by directly observing stars yield a cosmic expansion rate of 73. Measurem [ReadMore..]

why is the universe expanding

Why Is The Universe Expanding

Yes, the Universe is expanding, but you might wonder, "how fast is it expanding?" Here's what you need to know. Feb 11, 2022 ... Yes, the Universe is expanding, but you might wonder, "How fast is it e [ReadMore..]

what is outside our universe

What Is Outside Our Universe

According to general relativity (GR), a universe with a cosmological constant $Λ$, like ours, is trapped inside an event horizon, $r< \sqrt{3/Λ}$. What is outside? We show, using Israel (1967) junct [ReadMore..]

is the universe expanding fast

Is The Universe Expanding Fast

Measurements taken by Hubble space telescope conflict with studies of radiation left over from Big Bang – fuelling theories of ‘dark energy’ and mystery particles Jun 3, 2016 ... Nasa and the Eu [ReadMore..]