Search Results | light-year

Your search for "light-year" returned 130 results

What Is a Light-year?

science.howstuffworks.com/dictionary/astronomy-terms/question94.htm

A light-year is a way of measuring distance, which doesn't make much sense because "light-year" contains the word "year," which is normally a unit of time. So, how does a light-year measure distance?

If you were to move all of the matter in the universe into one corner, how much space would it take up?

science.howstuffworks.com/dictionary/astronomy-terms/question221.htm

If you took all of the matter in the universe and you pushed it all into one corner, how much space would it take up? I am trying to understand how much of the universe is 'empty.'

What Is the Coldest Place in the Universe?

science.howstuffworks.com/coldest-place-in-universe.htm

The coldest place in the universe exists some 5,000 light-years from Earth. Do you know where it is and what it's called?

Explosions in Space: The Supernova Quiz

play.howstuffworks.com/quiz/explosions-space-the-supernova-quiz

How much do you know about supernovae? Show off your knowledge when you take this quiz about huge explosions in space - light-years away - and the science behind them.

The Largest Star in the Universe Is 1,700x Bigger Than Our Sun

science.howstuffworks.com/largest-star-in-the-universe.htm

In the vast night sky, where countless stars vie for attention, one colossus reigns supreme as the largest star in the universe. Situated thousands of light-years from Earth, this celestial giant's sheer magnitude challenges our understanding of stellar physics.

Can You Identify These Types of Celestial Bodies From NASA Pictures?

play.howstuffworks.com/quiz/can-you-identify-these-types-of-celestial-bodies-from-nasa-pictures

Many different types of celestial objects inhabit our night sky, and some of them can even be seen by the naked eye! In this quiz, we'll explore 40 amazing celestial bodies, along with their applicable NASA images. Think you can match the photo to the celestial object? Take this quiz now to find out!

The Milky Way Galaxy Quiz

play.howstuffworks.com/quiz/milky-way-galaxy-quiz

Do you have more than a passing interest in the night sky? Channel your aspiring inner astronomer and see if you can ace this quiz on the Milky Way.

How are astronomers able to measure how far away a star is?

science.howstuffworks.com/question224.htm

It turns out that measuring the distance to a star is an interesting problem! Astronomers have come up with two different techniques to estimate how far away any given star is.

Twinkle, Twinkle: The Ultimate Stars Quiz

science.howstuffworks.com/stars-quiz.htm

Stars are giant nuclear fusion reactors, and we wouldn't exist without them. Find out how much you know about these twinkling lights with our quiz.

1 - 10