Questions tagged [resolution]
The resolution tag has no usage guidance.
7
questions
2
votes
1
answer
167
views
Mirror size and pixel resolution on planetary surfaces
MRO’s HiRise camera has a 0.5m primary mirror and a per-pixel resolution of ~30cm from an altitude of 200km. For an identical orbit, and ignoring any atmospheric effects, what mirror size would be ...
- 920
0
votes
0
answers
46
views
Can the JWST look at Earth? What would it see? [duplicate]
There's a few questions on the site about whether we can see the James Webb Space Telescope from Earth (i.e. here and here), but I'm wondering about the opposite - can we see Earth using the JWST?
I ...
- 101
3
votes
2
answers
485
views
How big would a QR code have to be on my roof for a satellite to be able to scan it given today's allowable resolution?
Say, using the Planet Labs satellites
Thank you
- 147
4
votes
0
answers
67
views
Why is the along track resolution of the MRO's SHARAD limited to >300m?
I've been reading about the SHAllow RADar instrument on the Mars Reconnaissance Orbiter, but I am struggling to understand why the along track resolution of its radargrams is so large.
As I ...
- 41
4
votes
1
answer
353
views
How to calculate New Horizons' MVIC camera max resolution at Pluto and Ultima Thule?
I am in trouble calculating the ground resolution of MVIC instrument onboard New Horizons; I found several documents about MVIC specs, like this one:
http://www.boulder.swri.edu/pkb/ssr/ssr-payload-...
- 3,043
7
votes
1
answer
3k
views
High resolution images of surfaces of other planets and moons
We have high resolution images of the the surface of the Earth taken by satellites (e.g. the images from Google Earth). Why have none of the orbiters going to any other planet or celestial body in our ...
- 1,093
8
votes
1
answer
686
views
How many square kilometres of Mars is exactly mapped?
I've heard somewhere that we have better maps of the surface of Mars than the deepest areas of the sea.
But how accurate are the maps really? Also, how much we have mapped about the surface of Mars?
- 5,223