Stellar Parallax Quiz

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

• Parallax

• Perspective

• Rotation

• Refraction

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

• Stellar Parallax

• Solar Parallax

• Stellar Distance

• Solar Distance

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

• Earth-Sun Distance

• Solar Distance

• Stellar Distance

• Galactic Distance

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

• 2 times theta

• 90 minus theta

• Opposite angle

• Adjacent angle

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

• Tangent

• Sine

• Cosine

• Cotangent

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

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

• 100,000 times the distance between the Earth and the sun

• 1,000 times the distance between the Earth and the sun

• 10 times the distance between the Earth and the sun

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

• Gaia

• Hubble

• Kepler

• Chandra

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

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

• A little bit to the east, closer to the rising sun

• Straight up, perpendicular to the horizon

• Straight down, parallel to the horizon

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

• Theta

• Alpha

• Beta

• Gamma

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

• Skewed towards where the sun is rising

• Skewed towards where the sun is setting

• Straight up, perpendicular to the horizon

• Straight down, parallel to the horizon