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Questions tagged [mapping]

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1answer
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How high could a weather balloon be used on Mars without rupturing? [duplicate]

What is the maximum height could a weather balloon achieve on Mars without rupturing? Assume that the balloon is adapted for Mars' atmosphere and gravity from standard high altitude balloons used on ...
3
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1answer
89 views

What is the order of magnitude forces due to Earth's magnetic field, sunlight, drag, oblateness and tidal forces compare?

What in order of magnitude does pressures vary in LEO due to diamagnetic repulsion of Earth's magnetic field, sunlight, drag, oblateness and tidal forces compare on an ideal satellite? Is there any ...
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0answers
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How would propagation differ between a GEO and a Retrograde GEO?

A Binary Equatorial Synchronous Retrograde Orbit is an orbit that would travel in the opposite direction of GEO and would pass over the same point on Earth twice per day at the same altitude of GEO. ...
0
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1answer
126 views

What are the “Boeing Lunar Orbiter spacecraft” from the 1960s? Why is “Boeing” in the name?

An October 2013 article in SpaceRef.com The New Race for the Moon says: Although LRO data remains unrestricted there is other evidence that NASA is worried about such data transfer to China. ...
1
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1answer
179 views

Did NASA remove four major photographic atlases of the Moon from its Technical Report Server? Gone for good, or just hype?

An October 2013 article in SpaceRef.com The New Race for the Moon says: "NASA's policy is to make data publicly available. I think that is a very noble policy. I do not see anything wrong with it," ...
1
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1answer
90 views

How to create a map of a certain area of Mars?

I am trying to create a personalised Google Maps style map of a certain portion of Mars! that will show three specific locations. Namely (a) Gale Crater (b) Hebrus Valles and (c) Valles Marineris. ...
3
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1answer
350 views

Mapping the moon: how to use the Lunar Reconnaissance Orbiter (LRO) image data?

what's the meaning of Scaled pixel width and scaled pixel height of LROC EDR image obtained by LROC image search tool?
6
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2answers
674 views

Where/how do I view the Chang'e 2 lunar map?

"In February 2012, the Chinese government released a complete lunar map constructed from Chang'e 2's data, claiming that it was the highest-resolution map of the entire Moon yet recorded." Source: ...
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2answers
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Which side of Europa is which?

I understand that Europa is tidally locked* to Jupiter, so there's a Jovianmost longitude on one side and an anti-Jovian longitude on the other. What I can't figure out is which side is which. ...
4
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1answer
64 views

How quickly could we detect a change in a mascon?

Let's say we had a probe in orbit around the moon mapping out mass concentrations (mascons), as we've done in the past. Unexpectedly one day, a massive object lands on the surface of the moon, an ...
4
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1answer
604 views

How much resolution did gravitational maps of Earth have before GRACE?

Today, our highest-resolution gravitational maps of the Earth are from the Gravity Recovery and Climate Experiment (GRACE) project, launched in 2002. Before GRACE, how fine was the resolution of ...
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1answer
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Earliest gravitational map of a planet/moon?

When was the first gravitational map of a planet or moon made by measurements from space? I'm guessing it was a map of Earth, since that's the closest planet to us,[citation needed] but for all I've ...
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2answers
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How is space mapped out?

Here on earth, we have four directions(East, West, North, South). We have earth maps which shows our exact location from any other location in 2D plane. But in space, planets and stars are in three ...
4
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1answer
340 views

Latitude and longitude lines for Pluto and Charon

I am hoping someone can point me to images of Pluto and Charon with latitude and longitude lines. I know it's the convention to designate the near point of a tidelocked moon as 0°, 0°. Is the same ...
6
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1answer
157 views

How are these 3D terrain models of Mars generated?

Recently ISRO released 3D terrain models of Mars' Ophir Chasma terrain as shown here. LiDAR is one instrument which helps in generating such 3D models. ISRO's MARS orbiter sensor payload does not have ...
11
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1answer
2k views

Is there a map or list of all the lava tube skylights the LRO has detected on the Moon?

I have read that so far the LRO has detected about 200 skylights - they appear to be holes into larger spaces below them, which could be lava tubes or domes. I would really like to know where all of ...
10
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1answer
548 views

Did New Horizons capture enough of Pluto's surface to create its global map?

Given the short amount of time that New Horizons focused on Pluto, did it capture enough of its surface to create a global map of it?
8
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1answer
329 views

Is there a system for choosing the Prime Meridian on a given body/world?

According to the answer to this question, the 0° longitude of the Moon is that which points toward Earth. On Earth it goes through Greenwich (although I was amused to hear that the French disagreed), ...
8
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1answer
602 views

Is there a profile of atmospheric pressure and gravity of Uranus?

One of the intriguing facts about Uranus is that somewhere within the gravity is about 0.9g. Now, if one wants to daydream about living on Uranus in slightly chilly balloons, it would be interesting ...
8
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1answer
104 views

To what celestial bodies are GRAIL-like missions planned?

GRAIL recently constructed a complete gravity map of Luna's irregular gravity field. Are similar GRAIL missions on the anvil to any other Celestial bodies as yet? As a corollary (probably opinion-...
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3answers
3k views

How do we measure height on celestial bodies with no significant atmospheric pressure, no seas, or no surface to speak of?

On the Earth, measuring elevation above sea level is relatively easy. Throughout the years of evolving these measurements to not rely on different reference points of the Mean Sea Level (MSL) of ...
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2answers
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What's the highest resolution camera orbiting Mars as of 2013?

There are many cameras currently orbiting Mars, taking pictures of rocks and sand and things. What is the highest (in the visible spectrum) sensor resolution of these? Are there higher res ones ...