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131
How is stacking oranges in 24 dimensions related to receiving and decoding signals from the Voyagers?
space.stackexchange.com

86
How was New Horizons able to direct data so precisely back to Earth?
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67
Why does this researcher have a "clear plastic bag" over their head?
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54
How come I see two ICE trains scheduled for the same platform at the same time?
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51
Why exactly do robots freeze? How could we engineer around it?
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49
How did the Apollo guidance computers deal with radiation?
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45
Is the Innsbruck to Prague sleeper train really direct?
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29
Why is the ribbon of decommissioned geosynchronous satellites skewed?
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29
Difference between Frankfurt Flughafen Fernbahnhof and Flughafen Regionalbahnhof? Which station should I go to for Frankfurt Terminal 1?
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29
Why did Salyut 7 freeze over, while ISS requires massive cooling system?
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28
Using a fidget spinner to rotate in outer space
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27
USB signal routing - Swap data lines using vias?
electronics.stackexchange.com

25
Why are obsolete geostationary satellites re-orbited above the geostationary belt?
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25
Why were the Sputniks launched to such high apogee?
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23
Diffraction artifact on the March 16, 2022 JWST aligned test image
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23
Studying the PCB of a 70s calculator. What were they thinking?
electronics.stackexchange.com

22
Place a satellite at Sun-Mars L1 to shield Mars from Sun radiation
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20
How realistic is the 1 kg/km² solar sail in "Death's End"?
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20
Why can't we use charged fine metal dust instead of plasma for ion thruster?
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18
Why are there double shadows in this Apollo 14 magazine?
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17
How does an array of concrete pillars protect a launch control bunker?
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16
How stable are satellites in a graveyard orbit
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16
What would it cost to bring a 1 gram payload to the CMBR rest frame (i.e. Δv 368 km/s ?)
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14
DC Relay overrated for max. 100ms
electronics.stackexchange.com

14
Which stations in Berlin have ICE connections to Leipzig
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14
What do these signs in the Czech Republic mean? [Picture included]
travel.stackexchange.com

14
Why is there a black donut in Perseverance's SkyCam? Is it always used to block the Sun? (sky cameras on Earth don't) How does it work?
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14
Why is it easier to escape the solar system than get to Mercury or the Sun?
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14
"Pillars of Baikonur" What is the purpose of the hundreds of short, white posts near the Baikonur Cosmodrome launch pad?
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14
Could cosmic rays be produced by alien propulsion systems?
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