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Why is SpaceX's whole space suit pressurized and not only the head/neck/shoulders?

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Is it possible to construct a way to breathe in space without a helmet?

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What invaluable resources exist to research space technology?

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Why do you even need a heatshield - why not just cool the re-entry surfaces from inside?

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Is space suit using algae for oxygen production possible?

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Why are ceramic tiles used instead of other novel solutions, for non-ablative heatshields?

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What mitigations to human body vacuum exposure, exist?

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Will space-based energy beamed to earth increase heat on earth?

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Combustion gas of gas generator right through nozzle?

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Are there clear "application-limits" to inflatable heat shields?

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Erin Anne
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Why Doesn't the cooling system on a rocket engine burn the fuel?

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After a UFO encounter or a UFO sighting, what is the standard procedure? How does one document or report it?

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What was the transmitting power of the Apollo astronauts' PLSS VHF radio transmitters?

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Erin Anne
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Prior to Polaris Dawn, when was the most recent non-station EVA?

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