16
votes
Will the HiRes camera of the Chinese orbiter be capable of seeing the shadows of the landers and rovers on Mars?
Will the HiRes camera of the Chinese orbiter be capable of seeing the shadows of the US landers and rovers on Mars?
tl;dr: Yes it can, IF it passes over one of them, and at the right time of day for ...
- 149k
9
votes
Accepted
What have been India's Mars mission's benefits to science?
Other than taking images of Mars' moon Deimos far side (something not done in decades) not much has been attributed to MOM yet.
The key here is to remember that the the orbiter likely won't discover ...
- 1,496
8
votes
Accepted
Is secure communication in space important?
This question is not actually related to space, except insofar as comms in space could be picked up from anywhere on Earth (as opposed to surface comms which may be limited to line of sight or short ...
- 13.7k
6
votes
Accepted
Is there any central world organization which authenticate achievement of various space agencies missions?
No.
Some spaceflight records are authenticated by the FAI (Fédération Aéronautique Internationale) under its sub-body FAI Astronautic Records Commission but these are generally highest/longest/...
- 178k
5
votes
Methane detection on Mars by MOM?
I think they had an issue with the methane sensor. From India's Mars Orbiter Mission Has a Methane Problem:
The problem has to do with how the instrument collects and processes detections of methane ...
- 174
5
votes
Why is MOM in a very retrograde orbit?
According to the abstract Target Martian Orbit Selection for ISRO Mars Orbiter Mission, a number of constraints were taken into account:
The other orbit parameters of Inclination, Right Ascension ...
- 167k
4
votes
Accepted
MOM's NOT-so-sun-synchronous orbit about Mars - how large is it's J2?
The planet calculator lists a J2 of $0.001960454$ for Mars, higher than the Earth's $0.001082627$. That makes sense, as Mars has a smaller mass, but still approximately the same rotation rate. That ...
2
votes
MOM's NOT-so-sun-synchronous orbit about Mars - how large is it's J2?
@SE - stop firing the good guys's answer states MOM is not in a sun-synchronous orbit. I just though I'd add some math to that. Using the equation for rotation of ascending node posted by @MarkAdler, ...
- 149k
2
votes
Is secure communication in space important?
It isn't as important as you would think, unless you are doing military type stuff. Here's a list of things that you would need to know to uplink to the satellite:
The frequency (Fairly easy)
...
- 121k
1
vote
Is there any live classes for learning about Mars and Universe by professionals?
I'm not aware of any structured courses for a 10 year old, but that doesn't mean they don't exist.
In the meantime I would recommend your son watch good quality documentaries, such as those produced ...
- 13k
1
vote
Accepted
Earth->Mars: Porkchop, departure burn and orbit inclination
In addition to the C3 for any given pair of departure and arrival dates, you will also need to know the departure declination for that pair. (The Lambert solver you are using must be generating that ...
- 58.5k
1
vote
Utilization of data from satellites mantained by India
Right now, the data from ASTROSAT is not available as the instruments are still being checked. According to Astronomical Society of India,
ASTROSAT is a public observatory and is therefore ...
- 1,560
1
vote
Why should space probes have to orbit the Earth before being launched at other planets?
The New Horizons probe, if I read the Wikipedia article correctly, did not stay in its parking orbit for a full orbit. Less than 45 minutes after launch, it was already on its solar escape trajectory. ...
- 10.3k
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