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munlander1

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About munlander1

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    Junior Rocket Scientist

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    Earth

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  1. The necropost to end all necroposts
  2. @The Doodling Astronaut2 really sucks your account got deleted by somebody else. Glad you’re back though!
  3. Personally I wouldn’t call the orbiter a rocket as I feel it’s more comparable to a CSM than a launch vehicle.
  4. The exhaust clouds seems to have separated into two different clouds. One is white just like any cloud but the other one is blue. Why blue?
  5. This is the coolest thing I have ever seen. The exhaust is still clearly visible in the sky even though the second stage in well below the horizon
  6. It’s my understanding that the Romulans from Star Trek were a stand in for communists. Scary and mysterious at first but not so different from humans. They certainly could be replaced by humans and keep all their nonphysical traits however the show’s nuances and ability to talk about such heated and controversial topics would be in jeopardy. I don’t feel that the ability to simply replace an alien race with humans is a good measure for wether or not the alien race should be part of a fictional universe.
  7. Two or three years ago, in science and space flight there was a discussion about which wavelength of light would be best for plants to cater on a planet orbiting a red dwarf. It got pretty scientific, I’d say this is definitely the right place!
  8. Article translated using google translate for those wondering “ Asma El Desouki Lieutenant-General Osama Rabie, head of the Suez Canal Authority, said that the delinquent vessel Evergiven was officially seized on Monday, denying the canal's commitment to pay any compensation to the ships affected by the crisis. The head of the channel confirmed that what was published by Al-Shorouk yesterday evening regarding the issuance of a precautionary order from the Ismailia Economic Court to seize the ship. Rabei added that the investigations into the delinquency of the Panamanian ship
  9. After some quick reading, It’s my understanding that the precursor of vitamin d in the human body is only converted to vitamin d after being exposed to UVB radiation. Does this happen in a dedicated cell or organelle? How comparable is the process photosynthesis? Obviously a human cannot sustain themselves with UVB radiation and water.
  10. “With both the EmDrive and the LemDrive, we have achieved a measurement accuracy that is below the photon pressure. That is, even if one of these concepts worked, it would be more effective simply to use a laser beam as a drive.” My understanding of that quote is that the accuracy of their measurements was greater than the photon pressure generated by the Em drive and since they detected no significant force above that, if the EM drive did actually provide thrust, it is so small a laser would provide more force. Is that correct?
  11. The EM drive has been debunked https://www.grenzwissenschaft-aktuell.de/latest-emdrive-tests-at-dresden-university-shows-impossible-engine-does-not-develop-any-thrust20210321/
  12. The Delta four has a super cool look.
  13. Personally I like windows due to the simplicity of using it and a few other points. I’m sure I’d be able to run the gauntlet of installing Linux and succeed but from what I know about it, it’s just not worth the work. Most of the games I play aren’t available on Linux and would require a virtual machine to play along with any other software I want to use that lacks Linux support.
  14. Assuming the cost is only the cost to collect the materials on the lunar surface and disregarding every other cost (getting everything to the moon, getting ore/refined material back, etc.), besides helium 3 are there any elements or compounds that are rare enough on earth to warrant the costs of such an expedition?
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