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8/08/2012

Topic Reading-Vol.119-8/8/2012

Dear MEL School’s Topic Readers,
How Long Does it Take to Get to Mars?
The latest mission to the red planet, the Curiosity Lander, made its successful landing of its Mars Rover on the planet and it has already sent numbers of photos.
How long did it take to get there? It took 253 days this time. Why it took so long? Well, the red planet is only 55 million km away, and if a spacecraft is travelling in excess of 20,000 km/hour, you would expect the spacecraft to make the journey in about 115 days, but it takes much longer.
Why? Read and enjoy learning about space trip.



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