Linked Questions

22 votes
1 answer
2k views

Could an acid-proof, solar-powered aircraft stay aloft on the sunny side of Venus more-or-less indefinitely?

The length of Venus's solar day is 116.75 earth days ($t$ = 10,087,200 s) and it's radius, $r$, is 6051,800 m, so in theory an aircraft would only need to travel at a ground speed, $s$, of... $$s=2\pi ...
phil1008's user avatar
  • 6,221
7 votes
2 answers
1k views

Would it be possible to build a probe that could operate at about 480 °C (900F degrees) without insulation?

I read a question about cooling a Venus lander, and got to thinking that the problem was in building a probe that has no problem with Earthlike temperatures and pressures, then trying to insulate it ...
Howard Miller's user avatar
15 votes
1 answer
8k views

How does the efficacy of solar cells on Mars compare with Earth?

Mars gets less than half the light that we get on Earth and there are dust storms, but the atmosphere is much thinner and there are no clouds. After all factors have been considered, how effective are ...
JSideris's user avatar
  • 251
8 votes
1 answer
5k views

what is the temperature of solar panels used in space missions such as ISS

I want to know what is the temperature range of solar panel used in space missions. What is the maximum temperature of solar panels reached in space? How does it affect the efficiency of solar panel? ...
MUTHU's user avatar
  • 81
10 votes
1 answer
2k views

What is the average intensity of sunlight on the Venerean surface?

A follow-up to How much more power does a PV cell generate in Venerean orbit? NASA writes to say about Venera 8 ... measured the light level as being suitable for surface photography, finding it ...
Everyone's user avatar
  • 13.6k
7 votes
3 answers
620 views

How to size Solar Array for Mars Surface

Good morning everyone, I am working on a project for my university where we need to perform a PrePhase A study for a Mars Infrastructure for Propellant production as a means of support for future ...
Roger Pedrós Bòria's user avatar
11 votes
1 answer
1k views

How can the Parker Solar Probe survive passing within 4 million miles of the sun's surface?

There is a lot of information on the internet about NASA's Parker Solar Probe mission, including several multi-hundred page scientific reviews and in-depth studies - here's one. But could someone take ...
uhoh's user avatar
  • 149k
5 votes
1 answer
835 views

Why are these multi-junction solar cells 40% efficient on earth but 30% in space?

This video about Spectrolab's spacecraft power systems mentions Juno several times and it looks like the Juno panels are shown at several points in the video. Multi-junction cells are discussed, they ...
uhoh's user avatar
  • 149k
5 votes
1 answer
395 views

At some point far from the Sun does the output of solar panels start dropping much faster than inverse square? If so, how fast?

I recall reading somewhere that solar power - already marginal at Jupiter - will cease to produce any power whatsoever at distances much further out than Saturn. Unfortunately I can not now find the ...
Infinite_Maelstrom's user avatar
2 votes
1 answer
278 views

Solar Panel folding

If a spacecraft is going to use solar power as its source of electricity (either for propulsion or just components or both) and it's also going to travel far out into the solar system, to quite high ...
Antonio Marmo's user avatar