Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
astronomical number of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "astronomical number of" is correct and usable in written English.
It can be used to describe an extremely large quantity or amount of something, often in a hyperbolic or exaggerated context. Example: "The research team discovered an astronomical number of stars in the newly observed galaxy."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(5)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
55 human-written examples
Enigma used a series of electrical rotors to scramble messages in an astronomical number of ways.
News & Media
It was used by German military intelligence for top-secret communications that were scrambled by electrical rotors into an astronomical number of possible arrangements.
News & Media
But like most open-source companies, MySQL's sales, tied to support deals, never matched the astronomical number of downloads for its product, about 60,000 a day.
News & Media
In practice, problems often involve hundreds of equations with thousands of variables, which can result in an astronomical number of extreme points.
Encyclopedias
Exact (Branch and Bound) and heuristic optimisation procedures are used to identifying highly scoring sequences from an astronomical number of possibilities.
Science
However, searching for the optimal designs of composites is extremely challenging due to the astronomical number of possible material and geometry combinations.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
5 human-written examples
The virus particles were invisible, and there were astronomical numbers of them in the wards; they were all over the floor and all over the patients.
News & Media
The coast of Algeria is famous for its sardine fisheries; the sardines are abundant there because deep, cold water flowing upward provides the minerals to support astronomical numbers of diatoms.
News & Media
Not only that, but even a tiny error, a highly specific combination of minor flaws in the code, will affect astronomical numbers of people.
News & Media
However, straightforward implementations, like those attempted by McCarthy and his students in the late 60s, were especially intractable: the programs required astronomical numbers of steps to prove simple theorems.
Wiki
Clinton can't and won't try to avoid the problem that has been perennially the single biggest tormenting lightening rod for black-white discord, namely, wanton police violence against blacks and minorities, and the astronomical numbers of blacks in America's jails and prisons.
News & Media
Expert writing Tips
Best practice
When using "astronomical number of", ensure that the context clearly indicates a quantity so large that it is difficult to fathom. This phrase is best used for emphasis and should be appropriate for the tone of your writing.
Common error
Avoid using "astronomical number of" to describe everyday quantities that are merely large but not truly exceptional. This can diminish the phrase's impact and make your writing sound hyperbolic.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "astronomical number of" functions as a quantifier, specifically describing the magnitude of a noun. It emphasizes the extremely large size of a quantity. As Ludwig AI highlights, it's often used to describe something that is virtually immeasurable due to its scale.
Frequent in
Science
40%
News & Media
38%
Wiki
7%
Less common in
Encyclopedias
5%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "astronomical number of" is a versatile quantifier used to denote an exceptionally large quantity. Ludwig AI confirms its grammatical correctness and usability. Its primary contexts include Science, News & Media, and Encyclopedias, indicating a range from formal to neutral registers. When employing this phrase, ensure that the context justifies the hyperbole to maintain clarity and impact. Alternatives such as "immense quantity of" or "vast amount of" can be used for similar effect, depending on the desired tone. Avoid overuse in commonplace situations to preserve its emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
immense quantity of
Replaces "astronomical" with "immense", focusing on the vast size.
vast amount of
Uses "vast amount" to indicate a large quantity, which is slightly less formal.
huge number of
Simpler and more direct, replacing "astronomical" with "huge".
tremendous quantity of
Emphasizes the scale using "tremendous", suggesting a significant magnitude.
countless instances of
Highlights the inability to count, implying a very large number.
innumerable occurrences of
More formal, suggesting that occurrences are too many to be counted.
limitless supply of
Indicates that the supply is so large it seems to have no limit.
boundless array of
Suggests a variety that is extensive and unlimited.
unfathomable sum of
Implies the quantity is so large it's difficult to comprehend.
myriad of
A more literary term for a very large number or variety.
FAQs
How can I use "astronomical number of" in a sentence?
Use "astronomical number of" to describe something extremely large or numerous. For example, "The experiment generated an astronomical number of data points."
What's a good substitute for "astronomical number of"?
Alternatives include "immense quantity of", "vast amount of", or "huge number of", depending on the context.
Is it correct to say "a astronomical number of" or "an astronomical number of"?
It should be "an astronomical number of" because "astronomical" begins with a vowel sound.
When is it inappropriate to use "astronomical number of"?
Avoid using it for quantities that are large but not exceptionally so. Overusing it can dilute its impact. Save it for truly staggering amounts.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested