Glossary entry

English term or phrase:

Be above a bit of the atmosphere

English answer:

"quite a bit" = a fair amount (but an exaggeration HERE)

Added to glossary by Yvonne Gallagher
Jan 26, 2021 11:12
3 yrs ago
39 viewers *
English term

Be above a bit of the atmosphere

Non-PRO English Science General / Conversation / Greetings / Letters
”When you get to about 15,000 feet, you're above quite a bit of the atmosphere.”

I find this sentence quite confusing, how can one be ”above of the atmosphere” at only 15,000 feet? Am I missing something? Grateful for any hints!
Change log

Jan 26, 2021 14:57: AllegroTrans changed "Level" from "PRO" to "Non-PRO"

Jan 27, 2021 15:24: Yvonne Gallagher Created KOG entry

Votes to reclassify question as PRO/non-PRO:

PRO (1): Yvonne Gallagher

Non-PRO (3): Rachel Fell, Tony M, AllegroTrans

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Discussion

Tony M Jan 26, 2021:
@ Phil While I do get your point, we mustn't forget that the atmosphere is increasingly rarefied, so in terms of density, and hence 'visual obstruction', getting to an altitude of 15,000' does indeed liberate us from quite a lot of impediments to space observation — why do you think so many observatories are located on mountain-tops?
philgoddard Jan 26, 2021:
I think the question is confusing because the header says "a bit", meaning a little, and the text says "quite a bit", meaning a significant amount. "A bit" makes more sense, though "quite a bit" is not wrong.

Either way, now that you've provided the context, it clearly means 15,000 feet is fairly high, but not nearly enough to see space.
Andrei Albu (asker) Jan 26, 2021:
I cannot disclose what is says before that, but here it is what is said after: ”You really need to be above the atmosphere to see through to the emptiness of space.”
So no, it is not about breathing. The character who is saying this is an American astrophysicist.
philgoddard Jan 26, 2021:
What does it say before and after this?
I don't think it's an exaggeration, and I agree with Petrus.
AllegroTrans Jan 26, 2021:
Can only be about breathing The atmosphere extends to 50 kilometres and 15,000 feet is less than one fifteenth of that altitude
Sheila Wilson Jan 26, 2021:
For breathing purposes I suspect they're talking very much from the human (ability to survive) perspective rather than the planetary one.
Petrus Maritz Jan 26, 2021:
very high The phrasing does not say "all of the atmosphere", just a large portion, or quite a bit. At this height the atmosphere is very thin, the oxygen levels are low, and there is not much there. The air below is thicker. The author is saying it is properly high.
Might this help?

Responses

+3
20 mins
Selected

"quite a bit" an exaggeration

Yes, it seems to be an exaggeration to say "quite a bit". Above some of the atmosphere certainly. Some graphs here might help. Maybe they meant "weather" rather than atmosphere?

https://climate.ncsu.edu/edu/Structure

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Note added at 1 day 4 hrs (2021-01-27 15:17:22 GMT) Post-grading
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glad to have helped. This was a serious question and Pro in my opinion.

Just to reiterate what I said below, while 15,000 feet is high (as can be seen in the link) it is only around halfway to the Tropopause.
Yes, there's far more clarity than at sea-level but they probably should have said STARTING TO GET (above quite a bit of the atmosphere) and gives rise to the following remark with an implied BUT ”You really need to be above the atmosphere to see through to the emptiness of space.”
Peer comment(s):

agree writeaway : can't help it but reminds me of this: Let's go fly a kite And send it soaring Up through the atmosphere Up where the air is clear https://www.youtube.com/watch?v=BA-g8YYPKVo
2 hrs
Thanks:-) Yes, the air gets clearer the higher you go for sure. Nothing ironic about that.
agree Petrus Maritz
2 hrs
Many thanks:-) Petrus, re your Dbox entry. 15,000 feet (less than 5 Km) is really not a large part of the atmosphere, especially when this concerns looking into space: a satellite orbit is at an altitude of approx. 35,786 km
agree AllegroTrans : An exagerration for sure - about one seventeenth of the atmospheric layer at most, albeit in human terms (effects on breathing and bodily functions) very substantial
3 hrs
Thank you!//Yes, but it's not about human breathing but looking into space without all the "noise" from what I gather. And can't really do that so well at 15,000 feet/less than 5 Km. Certainly not much or enough. And why Asker is confused.
Something went wrong...
4 KudoZ points awarded for this answer. Comment: "Thank you!"
+3
1 hr

Quite a lot= (Ironic usage)

This expressions is being used with a touch of irony only, i.e. it is a humorous use of the expression "a bit".

When we say "Quite a bit" is not the same thing as saying "a bit", which means "a small piece of" or a "small part of". In fact, simply adding "quite" before "a bit" turns this into an ironic idiom, meaning "quite a lot".

This might help explain this:https://ell.stackexchange.com/questions/88933/confusion-abou...

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Note added at 1 hr (2021-01-26 12:29:37 GMT)
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"Quite a bit
a significant amount"
https://idioms.thefreedictionary.com/quite a bit
Example sentence:

"a considerable amount"

Peer comment(s):

agree Lincoln Hui : I don't know if it's ironic, but "quite a bit = quite a lot" is a common expression.
1 min
Thank you. I would say its the irony (or perhaps sarcasm) that turns the expression around.
agree AllegroTrans : Yes, but not ironic, just badly expressed given the atmosphere extends to 50 kilometres above the earth; nevertheless in terms of effect on a human, very substantial
2 hrs
Thank you.
agree Thayenga : Without "ironic"
1 day 2 hrs
Something went wrong...
1 hr

over a considerable change in atmospheric pressure

I think it's about mountain climbing or aviation, with a reference to the changing air density and pressure which the person who climbs 15 thousand feet is going to experience. 15 thousand feet might be about five kilometres, which is an incredible distance or height to climb. The reference describes a level which has been surmounted on reaching the height at 15ooo feet, while a drop with changes in air density and atmospheric pressure lies below.
Example sentence:

'An atmosphere can be a unit of pressure equal to the pressure of the air at sea level, equal to the pressure exerted by a column of mercury. The Earth's atmosphere is held by the force of gravity, which forms various layers at different heights.'

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