Could You Ace A College Astronomy Test?
Question 9 out of 29

9. By the time a ray of light reaches the Earth from the sun, how old is it?
300 years old 3,000 years old 30,000 years old ▶ Next Question ◀

Can We Guess Your IQ Based On These Tricky Questions?
Can We Guess Your IQ Based On These Tricky Questions?
Are You A Trendy Grandma? Take This Millennial Icon Quiz And Find Out!
Are You A Trendy Grandma? Take This Millennial Icon Quiz And Find Out!
How Should You Relieve Your Daily Stress?
How Should You Relieve Your Daily Stress?
Are You Experienced?
Are You Experienced?
Is Your Brain A Scientist Or An Artist?
Is Your Brain A Scientist Or An Artist?
Can We Guess Your Age With These 10 Disney Questions?
Can We Guess Your Age With These 10 Disney Questions?
Are You An Attractive Male?
Are You An Attractive Male?
What Flavor Of Popcorn Are You?
What Flavor Of Popcorn Are You?
Which “Old Lady” Accessory Are You?
Which “Old Lady” Accessory Are You?
What House Should You Live In?
What House Should You Live In?
How To Talk To Men?
How To Talk To Men?
Where Should I Get Married?
Where Should I Get Married?