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Nasa's space rover, Curiosity, will take its first test drive on the surface of Mars on Wednesday.
Scientists will try and make the robot travel three metres (10ft) before returning it to the spot where it first landed.
It's expected that it will take 30 minutes to make the short journey.
It's not all been good news for the rover so far. It lost one of its two wind sensors when it touched down on the Red Planet earlier this month.
How space travel affects your body
Chris Hadfield arrives safely back to Earth after his stint on board the International Space Station - but how has five months in space affected him?
Astronauts land safely after mission
Chris Hadfield and his fellow astronauts have returned safely from the International Space Station after a five month mission.
Chris Hadfield's top 5 space videos
Astronaut Chris Hadfield has kept us well and truly entertained with his videos detailing life aboard the International Space Station. Here's our top five!
'Too much' junk and debris in space
A study from the world's top space scientists says there's too much space junk floating above the Earth and it urgently needs clearing up.
Quiz: Space
Try our space quiz with fun questions and answers for kids. It's free!
Facts: The eight planets of the solar system
Interesting info about the planets in our solar system and the Sun they orbit.
Watch Newsround
Watch the latest update from Newsround, CBBC's news programme for children.
Video: Top tips on reducing exam stress
Are you worried about preparing for exams? If you are check out our top tips on revision, relaxation and cutting stress.
David Beckham's career in pictures
David Beckham joins Paris St-Germain until June 2013, before retiring from footie - Newsround looks at the former England captain's career in pictures.
New Game: Play our new Reporter Rush game
Send your reporters to the news in time with Newsround's new game Reporter Rush
New Game: Grab the controls and try Master Control Room
Be a live Newsround editor for the week with our new game Master Control Room
Video: The week's weirdest online clips
Newsround takes a look at the top three weirdest news stories of the week.
Quiz: The week's news headlines
How much can you remember about the past week's biggest news stories? Find out with Newsround's Quiz of the Week!
All about our Inventions Competition
Dick and Dom have teamed up with Newsround to launch an exciting inventions competition. We want kids to dream up inventions that solve everyday problems.
Watch Newsround's special programmes
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Row between teachers and government
