It will also be hosting a live stream of the launch, allowing anyone to watch it on Earth.
People will be able to watch it on Nasa's live stream on just about any platform they want: the main one is Nasa TV's channel on YouTube, which can be found here, but it can also be watched on its Twitter, Facebook, LinkedIn, Twitch, Daily Motion and Theta.TV.
The United Launch Alliance – a collaboration between Lockheed Martin and Boeing, which made the rocket that will carry the rover – will also be hosting its own live stream and countdown to launch. That can be found on its website.
And other people not so connected to the launch will also be hosting streams. The UK's National Space Centre, for instance, will be hosting a Q&A, followed by a live stream, on its Facebook page.
The launch will happen at 7.50am local eastern time, or 12.50pm in the UK, though coverage will start a little earlier. The launch window is two hours long, giving the space agency an opportunity to launch every five minutes, if the conditions do not immediately allow.
The full launch period lasts for three weeks, until 15 August. If Nasa misses that window entirely, it will not be able to launch for another two years.
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