Stellar Parallax Flashcard

Front

What is the property called when objects closer to you seem to move more than objects further away?

Back

Parallax

Front

What is the method called that uses parallax to measure the distance to stars?

Back

Stellar Parallax

Front

What is the distance between the Earth and the sun called?

Back

Earth-Sun Distance

Front

What is the angle between the star's position six months ago and its position now called?

Back

2 times theta

Front

Which trigonometric function is used to calculate the distance to the star?

Back

Tangent

Front

What is the distance to the nearest star from our solar system?

Back

250,000 times the distance between the Earth and the sun

Front

What is the mission called that aims to measure stellar parallax with high accuracy?

Back

Gaia

Front

What will the star look like when the Earth is on the other side of its orbit from the sun?

Back

A little bit to the west, closer to the setting sun

Front

What is the angle between the star and being straight up called?

Back

Theta

Front

What will the star look like when the Earth is right over the sun?

Back

Skewed towards where the sun is rising