Hot answers tagged

18 votes
Accepted

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

There is a map of lunar pits, created by R. V. Wagner and M. S. Robinson of the School of Earth and Space Exploration, Arizona State University, in 2014. From Distribution, Age, and Formation ...
  • 75.7k
15 votes
Accepted

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

If you mean if New Horizons' data return could produce a global high-resolution map of Pluto's surface, then no, and here's why: Pluto at New Horizons approach: New Horizons Ground Track on Pluto: ...
  • 75.7k
12 votes

Accurate map of Ceres

NASA has produced a topographical features map of Ceres, with names for some craters. The map was produced in 2015. This one has few more details,
  • 11.2k
9 votes
Accepted

How far will Curiosty be removed from Perseverance?

As OrganicMarble noted in the comments, Google Earth Pro has a nice map of Mars with all the rovers and landers included. And you can also measure distance. For example, here's the distance between ...
  • 5,818
9 votes
Accepted

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

The question, 'Did they remove 4 atlases?' can only be answered by an insider. NTRS does not show documents that have been removed. However, a search for '"Lunar Orbiter" atlas' shows lots of ...
  • 122k
9 votes
Accepted

How is space mapped out?

There are many different coordinate systems (X, Y, Z axes as you refer to them). The center of the Earth is often used as the origin "center" of the coordinate system, at least for calculations ...
8 votes

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. That's not the case. The latest GRACE gravity ...
8 votes
Accepted

Which side of Europa is which?

The standard for any tidally locked body, of which Europa is a member, is to have the 0 longitude be the point at the center of the planet-facing side. That being the case, the middle of the map ...
  • 119k
8 votes
Accepted

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

Here is a nice graph of part of what you are asking for. It's from the book Satellite Orbits; Models, Methods, Applications by Oliver Montenbruck and Eberhard Gill, Springer, 2000. The figure and ...
8 votes
Accepted

Accurate map of Ceres

The USGS Astrogeology Science Center's Astropedia is an excellent source for derived mapping data products (though only 7 Ceres products). Here is a "Ceres Nomenclature" data product:
7 votes

Is there a database of recent satellite images which will allow me to estimate how much of Mariopol has been destroyed?

Not a link to visual imagery but a very useful tool for the current situation: NASA's Fire Information for Resource Management System shows fires everywhere in the world with ~250-500 meter/6 hour ...
  • 1,951
7 votes

Is there a database of recent satellite images which will allow me to estimate how much of Mariopol has been destroyed?

MAXAR subsidiary DigitalGlobe has a web interface tool for viewing very up to date imagery. It is searchable by area, cloud cover, date, sun angle, and off nadir pointing angle (obliquity). Here is an ...
6 votes
Accepted

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

It's referring to the plain old Lunar Orbiters of the 1960s. Boeing manufactured the spacecraft for NASA. According to NASA's Destination Moon: A History of the Lunar Orbiter Program, Boeing (in ...
5 votes

Where to find the full reflectance map of the Moon?

The polar regions aren't filled with useless texture - it just isn't very accurate. I have done the exercise you are going through. I'm pretty sure that data package is the best that exists, and ...
  • 20.9k
5 votes
Accepted

Full lunar mineralization/ore map

Here's the labelled version you found of the USGS map large enough to read the text For completion's sake, here's a mirror, limited by the 2MB upload size of SE, so it's only barely readable. The link ...
5 votes

Challenges to mapping the surface of mars with helicopters? Would it be better than satellite images?

Presuming that we could build on what we learned from Ingenuity, and we built, launched, and landed a copter platform that was designed to autonomously map the surface of Mars, what challenges would ...
5 votes
Accepted

Perseverance drove for the first time on Mars ! (on Sol 14) Can I find somewhere how much and in what direction?

Yep, Perseverance has the same map: https://mars.nasa.gov/mars2020/mission/where-is-the-rover/
  • 1,016
5 votes
Accepted

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

Here's the link: http://moon.bao.ac.cn/searchOrder_dataSearch.search You may need to create an account. Scientific Data -> Search -> find your data and download. The website is extremely slow, ...
  • 166
4 votes

How quickly could we detect a change in a mascon?

It depends on where the masscon is in relation to the orbit, and just how big the masscon is, as well as how carefully the orbit is measured, and whether or not anyone is actually looking. If it's a ...
  • 11.5k
4 votes

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

tl;dr Those numbers are meters per pixel. But you have to be careful because they are scans along the spacecraft orbit with the moon rotating underneath, so x and y are skewed. This answer will get ...
  • 148k
4 votes
Accepted

How high could a weather balloon be used on Mars without rupturing?

Most weather balloons can go up to about 40 km. At that altitude, the pressure is about 2.9 millibars. The Martian atmosphere is about 6 millibars at surface level. At the summit of Olympus Mons (21....
3 votes

Full lunar mineralization/ore map

According to the Universe Today website, the US Geological Service (USGS) has produced a geological map of the Moon, that is available online. This is also an animation of the globe of the Moon. The ...
  • 11.2k
3 votes
Accepted

What counts as "0 mGal" in these gravity maps?

The Gravity Anomaly or Bouguer Anomaly Maps are no actual gravity maps. They are rather a map of ground density, expressed as an excess or deficit of gravity caused by differences in density. The ...
  • 13.5k
3 votes

Why are the poles of the Moon in Google Earth so different from other regions?

Google Maps Moon likely uses a Simple Cylindrical projection for storing their map data. This is fine for the majority of the globe, but there are problems at the poles. Here are a few reasons why ...
3 votes
Accepted

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

One need look no further than the Moon. There were (and to some extent still are) some rather severe internecine wars within the Jet Propulsion Laboratory on the "right" way to represent the Moon's ...
3 votes
Accepted

Earliest gravitational map of a planet/moon?

It was the Earth, of course. As early as 1964, scientists realized that the non-Keplerian orbits satellites gave a picture of the Earth's interior. For example, see S. K. Runcorn, "Satellite gravity ...
3 votes

How are these 3D terrain models of Mars generated?

There are a couple of ways these can come. In the case of the image you provided, I believe they are using known altitude that comes from MOLA data which accurately found the elevation of the entire ...
  • 119k
3 votes
Accepted

Is the available imagery of Europa and Enceladus enough to develop surface missions there?

Do the current (or soon to be obtained) surface maps of those bodies have a spatial resolution that is high enough to enable the development of lander & robotic missions to those destinations? ...
3 votes

Is there a database of recent satellite images which will allow me to estimate how much of Mariopol has been destroyed?

Those databases exist, but they're generally not publicly accessible. There are basically two types of Earth observation data: from agencies (ESA, NASA, JAXA, etc.) and from private companies (Maxar, ...
  • 12.8k
2 votes

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

As advised by @uhoh we can visit the site mentioned in his comment mars.nasa.gov/maps/explore-mars-map/fullscreen go through the tutorial, search for and locate the areographic features and place ...
  • 291

Only top scored, non community-wiki answers of a minimum length are eligible