How many times can light circle the Earth in one second?

• Five times

• Ten times

• Three times

• Seven times

What is the speed of light in miles per second?

• 186,000 miles

• 200,000 miles

• 150,000 miles

• 100,000 miles

What unit is used to measure astronomical distances?

• Light year

• Light minute

• Kilometer

• Mile

How long does it take for light from the Sun to reach Earth?

• More than 8 minutes

• 2 minutes

• 12 minutes

• 5 minutes

What is the 'light horizon'?

• The boundary of our solar system

• The distance light travels in one year

• A black hole's event horizon

• The maximum distance light can travel that we can observe

What does the theory of inflation suggest about the universe?

• The universe expanded faster than light speed after the Big Bang

• The universe is contracting

• The universe is static

• The universe is slowing down

What is the significance of manipulating light speed in technology?

• It could lead to advanced computing technologies

• It has no real application

• It only affects space travel

• It is mainly for communication

What is a warp drive?

• A new type of jet engine

• A theoretical propulsion system that bends space-time

• A type of time machine

• A method of increasing light speed

What does the redshift phenomenon indicate about a galaxy?

• It is moving away from us

• It is shrinking

• It is moving towards us

• It is stationary

What happens to time as you approach the speed of light?

• Time stops

• Time speeds up

• Time slows down

• Time reverses