Quiz

BuzzFeed Staff, UK 

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<b>From the International Space Station to the edge of interstellar space, find out how much you know about our solar system and beyond.</b>

From the International Space Station to the edge of interstellar space, find out how much you know about our solar system and beyond.

Quiz: How Well Do You Know Space?

It can fit six people in total. You can see how many are up there [right now](http://howmanypeopleareinspacerightnow.com/).

How many people can live on the ISS at any one time?

Earth.

Which inner solar system planet is biggest?

It might not be a planet anymore, but Pluto has more moons than Earth does.

How many moons does Pluto have?

Since Pluto was demoted to dwarf planet in 2006, there are only eight planets in the solar system.

8\. 

How many planets are there in the solar system?

It's at Saturn's [north pole](http://www.jpl.nasa.gov/spaceimages/details.php?id=PIA14944), and has wind speeds of up to 330 miles per hour.

Saturn.

Which planet is this storm happening on?

All four gas giants have rings (but Saturn's are more noticeable than the others).

Saturn, Jupiter, Uranus and Neptune.

Which solar system planets have rings?

The Sun's visible surface – the photosphere – is around 5778K, or around 5505°C.

6000 Kelvin.

How hot is the surface of the Sun?

Scientists don't understand why, but the Sun's corona is much hotter than its surface. Some regions even reach 20 million degrees.

1–2 million Kelvin.

What is the average temperature of the Sun's atmosphere?

It's a picture of the Australian outback, [taken by Chris Hadfield](https://twitter.com/Cmdr_Hadfield/status/325930304613273601) from the International Space Station.

Which planet is this?

Turns out Mars has a lot more ice than we anticipated. And [it looks a bit like a brain](http://hirise.lpl.arizona.edu/ESP_033165_2195).

Mars.

Triton is actually a moon of Neptune. Vesta is an asteroid and Ceres is a dwarf planet that orbits in the asteroid belt.

Triton.

Which of these is not a body in the asteroid belt?

He orbited Earth in his Vostok spacecraft on 12 April 1961.

Yuri Gagarin.

Who was the first person in space?

Frogs were included on the Vostok 3A launches into low Earth orbit in 1961. A previous attempt in 1959 had been made to send frogs to space, but the rocket was [destroyed during launch](http://www.theatlantic.com/technology/archive/2013/09/frogs-in-space-a-brief-history/279608/).

March 1961.

When did the first frog reach space?

Which of these is not a moon of Saturn?

Hopefully enough time for us all to decamp somewhere that won't get fried during the expansion.

5 billion years.

How long do we have until the Sun expands into a red giant?

There have been various reports over the last few years of Voyager leaving the solar system. But definitive word came from Voyager project scientist Ed Stone and team recently when [they announced](http://www.jpl.nasa.gov/news/news.php?release=2013-277) that Voyager left the solar system on August 25, 2012.

August 2012.

When did Voyager 1 reach interstellar space?

It was discovered in 1995. Fomalhaut b was discovered in 2008 and Alpha Centauri Bb in 2012.

51 Pegasi b.

Which exoplanet was discovered first?

100–400 billion. 

How many stars are there in the Milky Way?

That's how long it's been since the Big Bang.

13.8 billion years.

How old is the universe?

The first is the Carina Nebula, and the last is part of the Eagle Nebula.

Which of these is the Orion Nebula?

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Quiz: How Well Do You Know Space?

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