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Posts by Mikey‭

43 posts
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Q&A Would it be impossible for me to have a nebula in my planet's night sky?

I'd like to be able to see from my Earth-like planet, a very bright nebula that can even be seen during the daytime. I question, however, whether that is possible, because in order for it to be co...

2 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

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Q&A Can a star be so distant/isolated that its 'Earth' can't see other stars?

I'm putting together a scenario, where a "Sun" and some debris are flung so distant that 14 billion years after the big bang, it has an "Earth" (and maybe some other minor rocky/icy objects), but n...

4 answers  ·  posted 9y ago by Mikey‭  ·  last activity 5y ago by Mikey‭

Question space stars
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Rigorous Science How wide would my cylinder be to allow air 500m below water surface?

I'd like my (very well funded) group of scientists to conduct an important excavation, in-situ with fully breathable air and comfort. I realize a pipe down to the surface would require a pump and ...

7 answers  ·  posted 8y ago by Mikey‭  ·  last activity 8y ago by Mikey‭

Question underwater
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Rigorous Science What happened when my scientist drilled a hole through Europa's "crust"?

I gave this a quick test on sandbox, and agreed with the comment that I should steer away from the physics part and focus on the geology, etc. Assuming Europa's ice crust is 10km thick as some spe...

2 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

Question underwater geology
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Q&A How large would an artificial object need to be for us to detect it near Proxima Centauri

4+ light years away, aliens living on Proxima Centauri B have space travel and incredible technology, but are not interested in traveling out of their system or in returning our radio-babble, rathe...

4 answers  ·  posted 7y ago by Mikey‭  ·  last activity 7y ago by Mikey‭

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Q&A Why would Mars rovers talk to each other?

In my near future of manned Mars exploration, NASA/ESA/etc have a dozen or so rovers spread out around Mars. For scientific purposes, the rovers 'talk' to each other via low and high gain antennae...

12 answers  ·  posted 8y ago by Mikey‭  ·  last activity 8y ago by Mikey‭

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Q&A What happens when my airplanes go into space?

Obviously, it's not a good idea. The premise: An advanced species has a plot to remove everything in our airspace and place it 1.5 million kilometers away from Earth. Their purpose is a misguide...

1 answer  ·  posted 8y ago by Mikey‭  ·  last activity 8y ago by Mikey‭

Question space airships ships air
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Q&A What is the smallest planetary mass that can prevent 'me' from flying off into space?

I have a series of astronauts landing on an asteroid. I'd like to know the threshold of mass for them to not fly off into space. Specifications: Assumption is all astronauts are under 180cm, 80...

2 answers  ·  posted 8y ago by Mikey‭  ·  last activity 8y ago by Mikey‭

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Q&A Is it possible that a group of people can hear radio frequency (naturally)

In my narrative several people can hear a soft buzzing when it is very quiet. It's almost unintelligible, but discovered it is what's on the radio. The people aren't related, but they may be very...

6 answers  ·  posted 8y ago by Mikey‭  ·  last activity 6y ago by Mikey‭

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Q&A How viable are my glass towers with (Arab-Islamic) Renaissance technology/engineering?

In my alternate history, during the Islamic golden age (in this case, 9th century Arabia - present day Oman), my characters are building a series of glass towers. They are like lighthouses travers...

2 answers  ·  posted 8y ago by Mikey‭  ·  last activity 8y ago by Mikey‭

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Q&A What happens when we travel to our new dimension?

My advanced human society understands how to search & find data on other dimensions; as well, we can travel if they're compatible. For years all we've found was data indicating dimensions wi...

3 answers  ·  posted 8y ago by Mikey‭  ·  last activity 8y ago by Mikey‭

Question space physics
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Q&A Can a plant evolve to give off CO2?

In my alternate history (1800s), I have troop hiking through tropical sub-Saharan Africa. For plot reasons, I have man-killing mosquitos, but I also have a plant that exudes CO2 and other attracta...

6 answers  ·  posted 8y ago by Mikey‭  ·  last activity 8y ago by Mikey‭

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Q&A How far in the future can my protagonist travel without getting sick?

I'd like to send my protagonist permanently into the near-ish future. I suspect that something as simple as the common cold could be deadly to my protagonist once we get a little further along. I...

1 answer  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

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Q&A How can I avoid a spark on an oxygen-rich planet

My NASA-like scientists in a system far, far away, but otherwise similar to us today, understand that their nearest sister planet, Sunev, is habitable for mankind. With one exception: it is almost...

3 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

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Q&A What happens to air pressure if the ice caps completely melt?

Apologies; it just didn't seem like an appropriate question for Earth Science or Biology. Let me know if I'm incorrect. Maybe Physics? If all the ice, permafrost, ice caps, etc. melted due to glo...

2 answers  ·  posted 10y ago by Mikey‭  ·  last activity 10y ago by Mikey‭

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Q&A How can I connect the rotating portion of my space craft to the non-rotating?

I have a large rotating (think wagonwheel) portion of a space-craft that, at the hub, connects to a non-rotating scientific research station. Imagine a football (soccer) field sized research and l...

4 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

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Q&A What is the best way to use my two portals?

To avoid being too broad, I'd like to use the portals for purely altruistic purposes (health, environment, safety), and not for scientific or military acheivement (e.g. - not an instant space eleva...

12 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

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Q&A How could 1BC Earth speed up communication across vast distances?

Tech level is early Rome, China, Ethiopia, etc. ~ first century BC. Unlike history, there's peace and cooperation among all the benign monarchies of the whole Earth. But it's hard to get daily co...

7 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

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Q&A What would cause a supermassive plateau that sticks out of the ocean

On an Earth-like planet, there is a massive plateau, standing more than 1km high, and the breadth of a continent in the middle of an otherwise ocean planet. I know there are climactic issues to th...

7 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

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Q&A What modifications are needed for my sea creature to able to hold its breath for weeks?

Sperm whales can go 90 minutes at a time without needing to surface. I am interested in an idea for a creature that is air-breathing, but spends a lot of time at depths of (100m to 300m) and some...

5 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

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Q&A How can I effectively drain Salt Lake and can it be useful?

The time is near-future. For peripheral reasons, the United States and the people of Utah have just had it with the Great Salt Lake: everyone wants it empty. There is a justified need to use the ba...

2 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

Question technology earth
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Q&A What logistics are required to close a city - from the inside?

It is near future, Portland, Oregon, and the residents and neighboring farmers are sick of everyone moving there now that climate change has made it a (even more) fabulous place to live. In an ext...

2 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

Question cities
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Q&A How can I get a very large air bubble floating under Europa's ice?

I hope this isn't a stupid question ("just add air"). I would like my intrepid explorers to have drilled through the ice of Europa and into the water without creating a geyser (they plugged the ho...

5 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

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Q&A What are the design considerations for my underwater settlement?

I have made my billions here in the present day, and I'd like to have a permanent underwater settlement. It is about as useless as the Mars One mission (yes, I went there), but some people may c...

7 answers  ·  posted 9y ago by Mikey‭  ·  last activity 9y ago by Mikey‭

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Q&A What are the possibilities of a dwarf planet orbiting opposite Earth's orbit?

I am drafting a short story about a small object orbiting the Sun at the precise 'speed' as Earth's opposite the Sun, undiscovered by us due to its position. The problems I see with this include t...

9 answers  ·  posted 10y ago by Mikey‭  ·  last activity 6y ago by Mikey‭