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Combustion chamber question on topic?

What Constitutes A Combustion Chamber? We don't 'do' fuel questions, but what about this one? Should it be closed or is it 'innocent' enough? I lean towards accepting it. Related meta: Why can't ...
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3answers
192 views

“Please invent my invention” or “Would X work?” questions; suitability and topicality?

For comparison, what a "good" i.e. well researched "Would X work?" reactor question might look like: Could a “nuclear turbo-jet” be built? Example 1 (as originally posted): The question What is ...
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3answers
59 views

Is the anonymous, silent down-vote plus close-vote for “unclear” on a new user's question welcoming?

This question was recently posted. Within 8 minutes two users responded: I found some resources for the OP and left a link, then edited the question to improve the grammar. I felt the question was ...
0
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1answer
25 views

Should these two tidal forces questions be asked in Astronomy SE instead of here?

Two questions just asked: How do we know that an exoplanet is tidally locked to the parent star? Do tides occur on planets like Neptune, having water? while probably not off-topic here, are ...
1
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1answer
86 views

Is this question really, truly off-topic while all of these other physics questions are on-topic?

The question Two 1000 kg gold spheres orbit their CM in near-contact, great way to measure G or limited by spaceflight issues? was put on hold for being off topic. It seems that using a spacecraft to ...
2
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1answer
66 views

Are third party robots editing my posts and removing my sentences?

The comment on this edit says: Comment: broken image fixed (click 'rendered output' to see the difference); for more info, see https://gist.github.com/Glorfindel83/9d954d34385d2ac2597bbe864466259f ...
3
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2answers
54 views

Why delete a question with so many well-written and received answers?

The question Why does the Mars InSight Lander look wet like a cardboard box that came in contact with water? [closed] may have a conspiracy theorist bent but it was handled well and has three very ...
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2answers
60 views

Why should the question below be closed when there is no specific answer to it?

The question "Does a credible Kármán plane reach escape velocity within 1 minute or does it follow the curvature of the Earth ?" was closed because it would have an answer from the already closed ...
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1answer
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How many variants of the “Was Karman wrong?” question is enough for one user?

In addition to my answer there, I've just added the comment -1 "If von Kármán is right with his description of the Kármán line..." That sentence misrepresents ...
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1answer
44 views

How to get a link to an old question of mine, possibly deleted?

I am looking for an old question of mine that (I believe) asked about the largest number of different kinds of satellites in one payload. I also believe I included a yellow-room photo of the Kanopus-V-...
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2answers
52 views

Is voting to close a question for “primarily opinion-based answers” while answering with fact exercising faulty logic, or even gamesmanship?

The question Will Scotland require a space agency? Is there one in the works? was insta-closed, but not before one of the closers also wrote a well-received, fact-based answer to it. I find the logic ...
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53 views

What might these silent close-voters' reasons have been? How might I address them?

I just wrote the comment: This question asks about decisions made within the US government and so can have a factual answer. Insta-closing prevents such answers from being written. I am not ...
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3answers
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Bad physics in accepted answer, what to do? (if anything)

This answer is currently accepted. I believe the physics is wrong, since conservation of angular momentum prevents a satellite from raising its orbit around a spherically symmetric body by using only ...
4
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3answers
262 views

Answering “What would happen to the ISS if we stopped maintaining it”

Feel free to post information relevant to answering What would happen to the ISS if we stopped maintaining it below:
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0answers
37 views

What's the purpose of the “Post is related to a rapidly changing event.” label on my question?

My question Could Steve have hurt the ISS? has a type of comment added that I haven't seen before. The text is Post is related to a rapidly changing event. Is ...
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2answers
48 views

Truth vs Presentation

In this question some feedback made me wonder, what matters more in an answer, truth or presentation style?
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0answers
32 views

How to improve the question about the design of the controller in lunar lander?

Criticism on the UX of the control panel of the lunar module I'm not new to SE, but new to here. This question is closed as unclear, and well, I agree with that. The question comes from my poor ...
3
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1answer
53 views

Are questions based on conceptual (almost speculative) projects on-topic?

I have a question that is practical, but based on a speculative project. I would like to know the effects on humans and cargo traveling on your standard, hypothetical space elevator of 100k km, ...
5
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1answer
99 views

Why was this question downvoted? How might I get it answered?

Inviting from the community your guidance, suggestions, opinions, and theories as to why this question was downvoted and close-voted: How long would it take to move Venus and Mars into Earth's ...
4
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1answer
56 views

What should be done when information learned later largely invalidates a question?

I asked "Why did the ESA choose SPARC for LEON?" and nos pointed out that SPARC was used for the ESA's previous 32-bit processors. With a 32-bit ISA already in use, the continued use of SPARC makes ...