Parallax - Stars Flashcardz

Front

What is the definition of parallax?

Back

The apparent shift in the position of an object when viewed from different angles.

Front

Name one application of parallax.

Back

Astronomy

Front

During a stargazing night, Liam, Arjun, and Grace were discussing how parallax is used in astronomy. Can you help them understand its application?

Back

Parallax is used to measure the distance to nearby stars.

Front

What is a light year?

Back

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

Front

Which method correctly describes the use of parallax to measure the distance to stars? Options: Avery suggests analyzing the star's composition, Leveah thinks it's by measuring the brightness of the star, Ky believes it's by observing the apparent shift in the position of a star when viewed from different points in Earth's orbit around the Sun, They all agree on using a telescope to directly measure the distance.

Back

Ky believes it's by observing the apparent shift in the position of a star when viewed from different points in Earth's orbit around the Sun.

Front

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

Back

decreases

Front

Why is parallax only useful for measuring distances within a certain range?

Back

The amount of parallax observed decreases as the distance to the object increases.

Front

Why is the parallax angle important in astronomy?

Back

It helps in determining the distance of celestial bodies.

Front

The ring of white light surrounding the Sun in this photo is the...

Back

Corona

Front

Imagine Josh, Jeremy and Dennis are astronauts observing the Sun from their spaceship. They notice gusts of white coming off the Sun. What are these most likely to be?

Back

Solar Winds