accelerating expansion

USAGE SUMMARY

The phrase "accelerating expansion" is correct and usable in written English.
It can be used in contexts discussing growth, development, or phenomena that are increasing in speed or rate over time, such as in scientific or economic discussions. Example: "The universe is undergoing an accelerating expansion, leading to intriguing questions about its ultimate fate."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

In retrospect, the discovery of an accelerating expansion seems to be the last piece in the jigsaw.

The Economist

The accelerating expansion of the Universe is one of the most surprising and potentially profound discoveries of modern cosmology.

New Astronomy Reviews

In his universe of accelerating expansion, he enjoyed less and less contact.

The New York Times - Books

The dark energy exerts a negative pressure, and is the reason for the accelerating expansion of the universe, Wilczek said.

Massachusetts Institute of Technology

A bit less matter than the critical density, and the universe would fly apart in an accelerating expansion.

The Economist

He is scheduled to roll out a plan on Wednesday that will almost certainly involve shutting down more stores in the United States while accelerating expansion overseas.

The New York Times

It is accelerating expansion plans after struggling to compete because of its small number of convenience stores, as well as a lack of a grocery delivery service.

The Guardian - Business

For example, he had attended a presentation by Saul Perlmutter, the Nobel Prize-winning astrophysicist, on the accelerating expansion of the universe.

The New Yorker

I expect controversy!" wrote UC Berkeley Nobel laureate Saul Perlmutter, who garnered the 2011 Nobel Prize in Physics for discovering the accelerating expansion of the universe.

University of California, Berkeley

Perlmutter and his Supernova Cosmology Project team received the award for their co-discovery of the accelerating expansion of the universe and dark energy.

University of California, Berkeley

In addition, by looking at the nearby universe Astronomers have managed to determine that the universe recently (a few billion years ago) entered an era of accelerating expansion.

Cornell University

Expert writing Tips

Best practice

If writing for a broad audience, clarify "accelerating expansion" with a simple explanation, such as "the universe is expanding at an ever-increasing rate".

Common error

Avoid attributing "accelerating expansion" solely to a single factor without acknowledging the complex interplay of dark energy, dark matter, and gravity; ensure nuanced language reflecting current scientific understanding.

Linguistic Context

The phrase "accelerating expansion" primarily functions as a noun phrase, where "accelerating" modifies the noun "expansion". It describes a process or phenomenon characterized by an increasing rate of expansion, particularly in cosmological contexts. Ludwig AI confirms its grammatical correctness and frequent usage.

Expression frequency: Very common

Frequent in

Academia

34%

News & Media

34%

Science

32%

Less common in

Wiki

0%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "accelerating expansion" is a grammatically correct and frequently used noun phrase that describes the increasing rate at which the universe is expanding. As highlighted by Ludwig, this phrase is most commonly found in academic, scientific, and news media contexts. It refers to a complex cosmological concept often linked to the influence of dark energy. When using the term, clarity and context are key, especially for non-specialist audiences. Related phrases include "rapid growth" and "increasing rate", which can provide alternative ways to convey the concept. The authoritative sources using this phrase most frequently are The New York Times, The Economist, and The Guardian.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

rapid growth

Focuses on the growth aspect, emphasizing speed.

exponential growth

Implies a growth rate proportional to the current value.

increasing rate

Highlights the progressive increase in speed or frequency.

surging increase

Emphasizes a sudden and powerful rise.

escalating development

Emphasizes the increasing intensity of development.

booming development

Conveys a sense of vibrant and prosperous expansion.

quickening pace

Suggests a faster tempo or rhythm of expansion.

upswing in growth

Focuses on a positive turn and increase in development.

speeding up

Simple and direct way of expressing an increase in speed.

rising trend

Highlights the upward direction and continuation of expansion.

FAQs

How is "accelerating expansion" measured in the universe?

Astronomers measure "accelerating expansion" by observing distant Type Ia supernovae, which serve as standard candles to determine cosmological distances. Changes in their observed brightness over time reveal the expansion rate.

What is the role of dark energy in "accelerating expansion"?

Dark energy is a mysterious force believed to be responsible for driving the "accelerating expansion" of the universe. Its negative pressure counteracts gravity, causing space to expand at an increasing rate.

What are some alternative ways to describe "accelerating expansion"?

You can use alternatives like "rapid growth", "increasing rate", or "speeding up" to convey the idea of "accelerating expansion", depending on the context.

Is "accelerating expansion" a universally accepted scientific theory?

While the observation of "accelerating expansion" is widely supported by evidence, the underlying mechanisms, such as the nature of dark energy, remain a subject of ongoing research and debate within the scientific community.