boundary of space

USAGE SUMMARY

The phrase "boundary of space" is correct and usable in written English.
It can be used in contexts discussing physical, theoretical, or metaphorical limits of space, such as in physics, philosophy, or art. Example: "The scientists debated the implications of the boundary of space on our understanding of the universe."

✓ Grammatically correct

News & Media

Encyclopedias

Science

Human-verified examples from authoritative sources

Exact Expressions

13 human-written examples

Buy from Amazon.com, Amazon.co.ukThe Perfect Wave: With Neutrinos at the Boundary of Space and Time.

The Economist

The rocket travels 62 miles to the boundary of space, and Bezos hopes to deliver tourists there in 2018.

The Guardian - Tech

For $200,000 a seat, customers will get a joyride just over the 100km-high (62-mile) Karman Line, which marks the boundary of space.

The Economist

The boundary of space is not well defined; NASA gives astronaut status to anyone who has flown higher than fifty miles, but some European authorities mark the border at 100 kilometers, or a little more than 62 miles.

The New York Times

SpaceShipOne (SS1), the first private manned space vehicle, which flew past the boundary of space (100,000 metres, or 328,000 feet) over the United States in 2004 in competition for the Ansari X Prize.

Encyclopedia Britannica

On June 21 , 2004 SpaceShipOne, designed and developed by an aerospace development company known as Scaled Composites of Mojave, California, which was founded in 1982 by American aircraft designer Burt Rutan (author of Britannica's SpaceShipOne article), became the first private manned space vehicle to fly past the boundary of space.

Britannica

Human-verified similar examples from authoritative sources

Similar Expressions

46 human-written examples

Rather, sacred history is like a hallowed tree whose roots dig deep into primordial time and whose branches weave in and out of genuine history with little concern for the boundaries of space and time.

The Guardian - Books

Body movements draw boundaries of space and also space draws the boundaries of the body.

Procedia - Social and Behavioral Sciences

And that will indeed help it devote more resources to pushing the boundaries of space exploration, which is more closely tied to its mandate.

TechCrunch

Exchanges of voice and emotions by mobile phone could help migrants to transcend the boundaries of space and time [11].

European Transport Research Review

Verily Partner Space is an expansion of the way we have worked at Verily since our inception – inviting our partners, from Onduo, Galvani and Verb for example, to share our workplace, eliminating the natural boundaries of space and distance.

TechCrunch

Expert writing Tips

Best practice

When discussing space exploration, use "boundary of space" to denote the internationally recognized altitude of 100 km, also known as the Karman Line.

Common error

Avoid using "boundary of space" loosely; it often refers to a specific altitude (Karman Line) rather than general outer space.

Linguistic Context

The phrase "boundary of space" functions primarily as a noun phrase, often acting as the object of a preposition or a subject complement. Ludwig shows examples where it describes the demarcation between Earth's atmosphere and outer space.

Expression frequency: Common

Frequent in

News & Media

40%

Science

35%

Encyclopedias

15%

Less common in

Formal & Business

0%

Wiki

5%

Social Media

0%

Ludwig's WRAP-UP

The phrase "boundary of space" is a commonly used term that denotes the limit between Earth's atmosphere and outer space, often referencing the Karman Line. Ludwig AI indicates that it's grammatically correct and usable in a variety of contexts, including news, scientific articles, and encyclopedias. While the exact altitude defining this boundary can vary, it generally signifies the point where space activities begin. Related phrases like "edge of space" or "limit of space" offer similar meanings. When using this phrase, it's important to be aware of its specific, internationally recognized definition to avoid ambiguity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

edge of space

Replaces "boundary" with "edge", focusing on the spatial limit.

limit of space

Substitutes "boundary" with "limit", emphasizing restriction.

outer reaches of space

Describes the most distant areas of space.

the frontier of space

Uses "frontier" to evoke exploration and the unknown.

spatial boundary

Adjective noun reordering for generic 'spatial' context

the confines of space

Emphasizes the restrictive aspect of spatial limits.

the demarcation of space

Focuses on the act of defining or marking a spatial limit.

the spatial extent

Focuses on the reach or scope of space.

the periphery of space

Highlights the outer edge or border.

the spatial limits

Focuses on the scope limitation

FAQs

What does "boundary of space" typically refer to?

The "boundary of space" commonly refers to the Kármán Line, an internationally recognized altitude of 100 kilometers (62 miles) above sea level. It's used to define the start of outer space for legal and aerospace purposes.

How is the "boundary of space" defined differently by NASA and other organizations?

While the Kármán Line at 100 km is widely accepted, NASA sometimes grants astronaut status to individuals who have flown higher than 50 miles (80 km). This demonstrates that the definition can vary depending on the context.

What are some alternative ways to refer to the "boundary of space"?

You can use alternatives like "edge of space" or "limit of space" to convey a similar meaning, although the specific connotation might slightly differ.

Why is defining the "boundary of space" important?

Defining the "boundary of space" is crucial for determining national jurisdiction, regulating space activities, and granting astronaut status. It has legal, scientific, and political implications.