The planet GJ 1214B is completely covered in water with no rocky surface. It's 40 light years away and it's diameter is about 32000 km - 9GAG
How many light years old are you? - ppt download
How far is a light-year? | Astronomy Essentials | EarthSky
Light-year - Wikipedia
What Is a light-year? | Space
What is a light year? Find out. | Space | EarthSky
How big is the universe?
Why is light year preferable to use than kilometre when expressing the distance of stars? - Quora
What is a light-year? – Exoplanet Exploration: Planets Beyond our Solar System
How far is 40 light years? - Quora
How far is a light-year? | Astronomy Essentials | EarthSky
How far is a light-year? | Astronomy Essentials | EarthSky
Artist's depiction of the size relationship between Earth and GJ 1214b, also known as Gliese 1214b. Discovered in 2009 in the constellation Ophiuchus, some 40 light-years from Earth. - SuperStock
What Is a Light-Year? | NASA Space Place – NASA Science for Kids
Going from light years to kilometers | How much is a light year?
Freethinkers How far exactly is a light year Light travels 186,000 miles per second. There are 60 seconds in a min… | Travel light, Seconds in a year, Light year
PPT - The Universe within 500 million light years of Earth (in the center) PowerPoint Presentation - ID:1161763
How long would it take a human to travel 40 light years on board the The Apollo 10 which travels at 24,790 mph? - Quora
Convert Light Years to Kilometers - ConverTools
How far is a light year? - Quora
Light Years to Miles | Absolute Zero Astronomy
TRAPPIST-1 is 40 light-years away: NASA discovers 7 earth-like planets which may have alien life on surface - FYI News
Observable universe - Wikipedia
What Is a Light-Year? | NASA Space Place – NASA Science for Kids
What is a light-year? – Exoplanet Exploration: Planets Beyond our Solar System
