Every two years the Earth and Mars align, shrinking the time it takes to travel between the planets, and 2020 is one of those years.
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Robot missions planned for Mars
The Hope Mars space probe in July 2020 Source: Getty
Every two years the Earth and Mars align, shrinking the time it takes to travel between the planets, and 2020 is one of those years.
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By Sonia Lal
Presented by Stephanie Corsetti
Source: SBS
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