Galaxies
What galaxy do we live in?
Milky Way
What is the smallest planet in the Solar System?
Mercury
What are dark regions on the Sun called?
Sunspots
Who was the first person to land on the moon?
Neil Armstrong
What is the disc of heated matter surrounding a black hole?
Accretion disk
What is the shape of the Milky Way galaxy?
Spiral
Why is Mars red?
Presence of iron oxide
What kind of star is the Sun?
Main sequence
Approximately how strong is the Moon's gravitational field compared to the Earth's?
One-sixth
How old is the universe?
13.7 billion years
What galaxy is predicted to collide with our galaxy in the future?
Andromeda Galaxy
Which two planets have no moons?
Mercury and Venus
What color of the star is the hottest?
Blue
How many of the other planets in the solar system can you fit between the Earth and the Moon?
All 7 other planets
What are the two black holes that astronomers were able to take a picture of?
M87 and Sagittarius A*
Name 3 galaxy shapes.
Spiral, barred spiral, elliptical, irregular
Which planet rotates the opposite way as compared to every other planet in the solar system?
Venus
What is the heaviest element formed from fusion in stars?
What is the name of the largest crater on the Moon?
South Pole-Aitken Basin
Why is the light intensity in the pictures of black holes different?
Doppler effect on light; light from matter travelling towards the observer appears more intense than light from matter travelling away from us
What is the name of the classification scheme of galaxy shapes according to their central bulge and arm lengths?
Hubble's Tuning Fork
Name 3 dwarf planets in the solar system.
Pluto, Ceres, Eris, Haumea, Makemake
What is the closest star to the sun?
Proxima Centauri
When is the next super blue moon?
2037
What special stars can be used to learn more about the early universe and star evolution?
Extremely metal poor stars (EMP stars)