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pericynthion
Earth
I work on aircraft and spacecraft.
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Top Questions
10
votes
How close was Philae to escape velocity during its first bounce?
comet
escape-velocity
philae
asked Nov 13, 2014 at 14:50
space.stackexchange.com
9
votes
How efficient is the immigration service at Oakland?
customs-and-immigration
oak
asked Jan 30, 2016 at 15:31
travel.stackexchange.com
Top Answers
104
Couldn't I escape Earth's gravity traveling only 1 mph (0.45 m/s)?
space.stackexchange.com
43
Why cool engines with fuel as opposed to oxidizer?
space.stackexchange.com
36
What does it mean when ATC says climb maintain 7000, block 8000?
aviation.stackexchange.com
35
Minimum Orbit Altitude
space.stackexchange.com
33
Why aren't all satellite-carrying rockets launched from airplanes?
space.stackexchange.com
33
Does AC Power have Polarity?
electronics.stackexchange.com
30
Why were there beeps punctuating the voice communications during missions such as Apollo?
space.stackexchange.com
30
What happens to Cessna electric flaps that are moving when power is lost?
aviation.stackexchange.com
28
Why haven't we sent seeds of life to other planets yet?
space.stackexchange.com
27
How can I restore power to a gas-fired water heater protected by a tripped GFCI outlet?
diy.stackexchange.com
27
During the Space Shuttle Columbia Disaster of 2003, Why Did The Flight Director Say, "Lock the doors."?
space.stackexchange.com
27
What is the best way to solder these wires to circuit board?
electronics.stackexchange.com
27
Is it more challenging to put an airship in the Uranian than in the Venusian atmosphere?
space.stackexchange.com
26
Why didn't the Apollo program do an uncrewed landing/ascent rehearsal?
space.stackexchange.com
26
Is the Fortran language still being used in aviation?
aviation.stackexchange.com
24
Could the Hubble HST be saved by docking with the ISS?
space.stackexchange.com
23
Lowest delta-v maneuver to reverse the direction of a satellite in LEO?
space.stackexchange.com
23
Writing DSP algorithms directly in C or assembly?
electronics.stackexchange.com
22
Why do gps satellites rotate over the Earth
space.stackexchange.com
22
What is the deepest position in space we can get a GPS signal?
space.stackexchange.com
22
Why isn't Pluto a circle on LORRI images?
space.stackexchange.com
20
Is aerodynamics study compulsory for building a plane?
aviation.stackexchange.com
20
Do helicopters use more fuel when hovering?
aviation.stackexchange.com
19
Are there any runways that aren't labeled reciprocally to each other?
aviation.stackexchange.com
19
Sputnik: What took so long?
space.stackexchange.com
18
Are commercial VFR flights legal?
aviation.stackexchange.com
18
Why do KiCad's library footprints for 0402 resistors and capacitors have different pad sizes?
electronics.stackexchange.com
18
Side effects of using large resistances
electronics.stackexchange.com
16
Can I use a coaxial cable as a DC power cable (without using it as a signal cable)?
electronics.stackexchange.com
16
How does ATC handle tv coverage of police pursuits in the US?
aviation.stackexchange.com
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