Unit Test Astronomy 2025}

Why is averted vision useful for stargazing?

• It reduces glare from city lights

• It helps your eyes detect faint objects by using peripheral vision

• It makes bright stars appear more colorful

• It prevents eye strain from long periods of looking at the night sky

What is the cosmic microwave background radiation?

• Heat from active galaxies

• Leftover radiation from the Big Bang

•  Light from distant stars

• A type of dark matter

What does "zenith" refer to?

• A famous space explorer

• A rare type of meteor

•  The moment when the Moon sneaks away and hides behind the Sun

•  The highest point in the sky directly above an observe

What does "rotation" refer to in astronomy?

•  The act of planets switching places like musical chairs

• The movement of a planet around another celestial body

•  The spinning of a celestial body on its axis

•  A cosmic DJ spinning planets like records

How long does it take for human eyes to fully adjust to darkness for optimal night vision?

• 30 seconds

• 5 minutes

• 20–30 minutes

• 2 hours

What is an asteroid?

• A small planet that got rejected from the solar system

• A piece of space ice that melts when it enters Earth's atmosphere

• A rocky object that orbits the Sun, mostly found in "belts"

• A "shooting star"

What was the first element to form after the Big Bang?

(a)  

What is the thing that makes the planets orbit

• Jupiter
• Neptune
• Sun
• God

A solar eclipse is when the Moon blocks sunlight from reaching Earth

• True

• False

Two key pieces of evidence supporting the Big Bang Theory.

• Cosmic Microwave Background radiation, Black holes

• Singularities, Blue Tint

• Cosmic Microwave Background Radiation, Red-shift

• Constellations, Cosmic Microwave Background Emission