Questions tagged [hirise]
Questions relating to HiRISE, the optical/near IR imager on the Mars Reconnaissance Orbiter (MRO).
10
questions
2
votes
1
answer
154
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 ...
- 910
8
votes
1
answer
364
views
What is the size of the HiRISE footprints?
On the HiRISE map, you can display the footprints of prior observations. What is the size in kilometers of these footprints?
- 4,970
6
votes
1
answer
299
views
What are these Martian space-whale (or seagull) shaped features?
In this recently released image of CNSA's ZhuRong lander and rover
China releases new Mars image taken by Tianwen-1 probe, CCTV (English) Article there are many white features scattered over the ...
- 9,605
1
vote
1
answer
75
views
What is the origin of dark streaks on the surface of Mars in Tithonia Catena?
Several dark streaks originating (or ending) from dark spots on the surface of Mars can be seen in this picture. They are no longer than 200 meters, aligned longitudinally, and some of them seem ...
- 193
3
votes
1
answer
95
views
Can HiRISE see Perseverance?
The rover Perseverance just landed last week. HiRISE can take high-resolution images of the surface of Mars. Will it be able to take pictures of Perseverance? (Has it already taken images of the ...
- 4,970
6
votes
2
answers
330
views
Why did MRO have to "both pitch upward and roll hard to the left" to point exactly at Perseverance during the entry, descent and landing phase?
The HiRise camera on the Mars Reconnaissance Orbiter snapped a beautiful photo of Perseverance falling through the Martian atmosphere hanging from its parachute.
This photo can be found here on the ...
- 149k
5
votes
1
answer
104
views
Why aren't there HiRISE observation footprints near the Martian poles?
Browsing the HiRISE observations of Mars, I noticed that there aren't any observation footprints at a latitude lower than -65° or higher than 65°. Why is this? Is there something I am not seeing? Is ...
- 4,970
2
votes
1
answer
99
views
What was the effective magnification of the Mars Reconnaissance Orbiter's HiRISE camera to acquire the detailed image of Earth?
On October 3, 2007 NASA's Mars Reconnaissance Orbiter HiRISE camera acquired this image of the earth and the moon from Mars
The oceans and clouds can be easily distinguished and "the west coast ...
- 6,897
15
votes
6
answers
2k
views
Is the "Mars blue dune" actually blue? And what makes it so?
NASA recently released an image of a blue dune on Mars. The accompanying story seems to suggest to me that it is a false color image - some property of that part of the image is detected and rendered ...
- 17.4k
3
votes
2
answers
901
views
How to use this Google Mars viewer to find this Martian landslide event?
This NASA/University of Arizona HiRise tweet shows this interesting image of a meteor impact crater that triggered a landslide (or maybe a "dust-slide") on Mars.
The tweet links to this University of ...
- 149k