Space Exploration
DJohnM's user avatar
DJohnM's user avatar
DJohnM's user avatar
DJohnM
  • Member for 10 years, 1 month
  • Last seen this week
  • Toronto, Canada
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Retired community college professor

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Top posts
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All Questions Answers
Score Newest
answer
17
What are the small crosses on space pictures, and what's their purpose?
Apr 27, 2014
answer
17
Soft landing by gravity assist?
Jul 8, 2014
answer
13
Is there an upper limit for the internal size of space stations?
Aug 28, 2014
answer
10
Starting a liquid fuel engine in zero gravity
Oct 17, 2013
answer
8
How does a launch vehicle control its trajectory during the first stage?
Nov 19, 2013
answer
7
Theoretical: How might we land on a planet/moon that has an orbit going in the reverse direction of Earth?
Apr 28, 2014
answer
7
How do astronauts take pictures from outside the ISS?
Aug 31, 2015
answer
7
What crimes have been committed or attempted in space?
Nov 13, 2020
answer
6
Why aren't bubble helmets dangerous in direct sunlight?
May 5, 2016
answer
5
How to calculate Orbital Inclination knowing the launch azimuth and launch latitude?
Aug 8, 2016
Top network posts
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146
How do grandfather clocks keep going?
114
What would prevent me from taking advantage of scammers?
51
Why does this movie say a witness can't present a jury with testimony which would assist in making a determination of guilt or innocence?
51
If you have a home mortgage, why do you still have to pay all of the property tax?
51
Conservation of momentum when rain pours into a wagon

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