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Questions tagged [galileo]

Questions pertaining the mission of the Galileo probe studying Jupiter and its moons between 1995 and 2003.

11
votes
1answer
200 views

Is there any real time GALILEO coverage map?

GLONASS has this neat live coverage map of earth: Brief explanation: The scale is the fraction of the current day when the 3D dilution of precision or PDOP is ≤ 6. Per this comment if the best ...
3
votes
1answer
85 views

Why are orbital periods different for different GNSS positioning system constellations?

My question is restricted to global positioning systems (Regional ones have geosynchronous constraints, which limits drastically the orbit choice) The diagram in this question highlights different ...
6
votes
6answers
900 views

Do electronics and mechanical components work in a vacuum or require a sealed controlled atmosphere?

I'm curious about the electronics and other instruments on Voyager and similar spacecraft. Are the electronic components kept in open vacuum or in a sealed atmosphere? I imagine cooling gets tricky ...
4
votes
1answer
189 views

If Juno will experience lower levels of radiation than Galileo did why it will fail so much faster?

In the section about Orbit and Environment the Wikipedia article about the Juno spacecraft says: In comparison, Juno will receive much lower levels of radiation than the Galileo orbiter at its ...
43
votes
3answers
8k views

Did the Galileo spacecraft cause a “blotch” on Jupiter after it crashed?

There's this interesting story: Did NASA Accidentally “Nuke” Jupiter? Long story short: On September 21, 2003 Galileo is deorbited in order to prevent eventuality of contamination of Europa. It ...