NASA’s Perseverance Mars rover

NASA’s Perseverance Mars rover

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Discussion

Blackpuddin

18,163 posts

220 months

Thursday 18th February 2021
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Beati Dogu said:
Blackpuddin said:
What happens to the Sky Crane once it's dropped the rover? Video I just watched on the Beeb suggests it flies off again, but where to?
It flies off and crashes.

Edit: Here's a satellite view from NASA/JPL-Caltech showing the area around the Curiosity rover soon after landing.



Edited by Beati Dogu on Thursday 18th February 17:22
Not meaning to be a grinch or a yoghurt-knitter (I'm madly excited about all this), but it seems a shame that one of the earliest signs of human activity on Mars should be a pile of junk. Given its obviously sophisticated guidance systems it's a pity they can't do a controlled rather than a crash landing.

Eric Mc

123,842 posts

280 months

Thursday 18th February 2021
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They don't do a crash landing.

Blackpuddin

18,163 posts

220 months

Thursday 18th February 2021
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Eric Mc said:
They don't do a crash landing.
That's great.

Eric Mc

123,842 posts

280 months

Thursday 18th February 2021
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Honestly, they don't.

The rover is lowered quite gently onto its wheels. That's the whole point behind the Skycrane system. It allows the rover to be its own lander and to use its wheels as its "landing pads". Otherwise, it would have needed to sit on a special lander with legs and drive off the lander using a ramp, as all other rovers (apart from Curiosity) have done, whether on the moon or Mars.

Getting rid of the dedicated lander saves a massive amount of weight.

generationx

8,307 posts

120 months

Thursday 18th February 2021
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So what really happens to the Sky Crane Eric?

CraigyMc

17,861 posts

251 months

Thursday 18th February 2021
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generationx said:
So what really happens to the Sky Crane Eric?
It flies off and crashes, but Eric needs to understand the question he's being asked before he'll say so smile

Clive Milk

429 posts

55 months

Thursday 18th February 2021
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The Sky crane ends up at it's lowest potential energy possible, that's what happens to it, whether it works or not.

Nice to see 700k people watching this on NASA TV beer

Imagine the number of people is this was 1969 and the moon.

If this succeeds will get out the crisps, the brandy and the cigar. Not something I did for Buzz and Neil, I was only 18 months then.... ok, I just need any excuse nowadays to do the above smile



colin79666

2,062 posts

128 months

Thursday 18th February 2021
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Link to the live stream: https://youtu.be/gm0b_ijaYMQ

skeeterm5

4,246 posts

203 months

Thursday 18th February 2021
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They are taking their hands off the wheel - in the hands of the computers now.

Nerve racking for the whole team.

RacerMike

4,519 posts

226 months

Thursday 18th February 2021
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Live visualisation of the data here:

https://eyes.nasa.gov/apps/mars2020/#/home?id=crui...

eharding

14,523 posts

299 months

Thursday 18th February 2021
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Touchdown!

London424

12,943 posts

190 months

Thursday 18th February 2021
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Nailed it!

dickymint

27,120 posts

273 months

Thursday 18th February 2021
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I'm actually in tears - amazing stuff!

MartG

21,786 posts

219 months

Thursday 18th February 2021
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Down safely, and first images received ! smile

My name is now on Mars smile

London424

12,943 posts

190 months

Thursday 18th February 2021
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Pictures coming in

BckFlash

718 posts

216 months

Thursday 18th February 2021
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Goosebumps!

Toltec

7,169 posts

238 months

Thursday 18th February 2021
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RacerMike said:
Live visualisation of the data here:

https://eyes.nasa.gov/apps/mars2020/#/home?id=crui...
Sort of live at least wink

London424

12,943 posts

190 months

Thursday 18th February 2021
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That reaction when they found out where it landed seemed like they may have been off a bit.

chemistry

2,696 posts

124 months

Thursday 18th February 2021
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Impressive stuff! Nice work mankind!

Beati Dogu

Original Poster:

9,279 posts

154 months

Thursday 18th February 2021
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Nice job. They’ll get better pictures once they take the protective lens caps off if I remember from the other mission.