parallax flashcard

Front

What is the most reliable method for deriving distances to other stars?

Back

Parallax method

Front

Equation for the distance to a star in parsecs?

Back

d = 1/p

Front

Parallax is used to determine a star’s

Back

distance from Earth.

Front

What is a light year?

Back

The distance that light travels in one year in a vacuum.

Front

How does parallax change as the distance to the object increases?

Back

decreases

Front

How far away is Earth from the sun in Astronomical Units?

Back

1

Front

In the equation D=1/p, D represents

Back

Distance in Parsecs

Front

In the equation D=1/p, p represents

Back

Parallax angle

Front

How many Lightyears are in a Parsec?

Back

3.26

Front

If a star has a parallax angle of 1 arcseconds, how far away from Earth is it in parsecs?

Back

1