How would a compass work on the moon?

[Kllswtch8473]

[Spikey]

An Earth compass won't work on the Moon. I guess navigation would be a combination of Gyroscopes, landmarks and an accurate way to determine distance travelled.

[MarsG76]

With no magneto sphere on the moon it simply wouldn't work, just point at a random position where even it stops due when held up or placed down.

[barkis]

Navigate by the stars as we did on Earth in the early days. The only difference
is, the moons sidereal period is 27.3 days, I'ts Orbital period around the Earth.
That rotation is synchronous, which is why the same lunar face  is always seen from earth.
The rotation of the moon can only be observed from outside the Moon Earth system

Earth rotates on It's axis once in 24 hours, so the stars appear to  move pretty quickly around the night sky.
Only one star appears not to , that is Polaris, the North Star, but it does describe a one degree 
circle as it is not directly in line with Earth's polar axis.

[alan potts]

Please accept my apologies I accidentally deleted your question instead of the blank picture from your phone, sorry.

[Geoff Lister]

Satnav may also be a bit of a challenge

[IanC11]

Satnav ALWAYS has a challenge.....lol

 

[Ravenous]

On the Lunar Rovers, they used a gyroscope-based thing to keep track of their heading. This had to be calibrated before each drive.

Some info here (look for the PDF files on the "Control and Display Console" and "Navigation Subsystem"):

https://www.hq.nasa.gov/alsj/lrvhand.html