What unit measures things in space?

Answer 1

The largest commonly used in astronomy unit of length is the parsec, equivalent of 206260 astronomical units or 3.26 light years.

Answer 2

Astronomical units, light years, parsecs, and astronomical units are commonly used to measure distances in space. Other units include solar radii, astronomical units, and light years to measure sizes and distances of objects in space.

Answer 3

It depends on what attributes are being measured: mass, temperature, luminosity, distance are some of the common attributes.

Answer 4

seconds, minutes, hours, etc.

Answer 5

The Planck length