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00:33
posted on June 02, 2020 by Lee Kanayama

Arianespace has resumed the launch campaign for the Vega’s return to flight. After being on… The post Arianespace return to Vega launch preparations following two month pause appeared first on NASASpaceFlight.com.

 
4 hours later…
04:48
Ben Popper on June 02, 2020
We’re celebrating some big birthdays for Node.js and Javascript.
 
3 hours later…
07:45
Yo folks.
I had a SpaceEx question, but since it was more mechanical in nature, I posted it on engineering beta.
If anyone has the time and expertise, please try answering!
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Q: Rover Wheels: Convex or Flat?

William R. EbenezerI was comparing the wheels of the Curiosity rover and the Perseverance rover and noticed that the latter had a very flat cylindrical design as compared to the former. This got me thinking about which wheel profile was sturdier. That got me thinking about various things that might be different....

 
5 hours later…
13:08
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Q: Should questions with little information due to classified nature be asked?

Barry JenekunsRecently I found out about the fact that in NET June, CASC is planning to launch an experimental space plane. This caught me off guard as I had previously never seen/heard anything about it and was considering asking a question here about it. However then I saw We have little information abou...

 
3 hours later…
16:10
@uhoh I'm thinking of deleting the E.SE question and posting it here.
I found a lot of rover questions on our site 😅
So it would fit in here, contrary to what I thought earlier.
What do you think?
 
2 hours later…
17:53
@WilliamR.Ebenezer I think your actual question as asked there is an engineering one. I don't personally think the core reason for the wheels being the shape they are is structural, though. I'd also want to look at what scientists learned from how Curiosity's wheels coped with Martian sand and rock
So I wouldn't migrate the question as it currently is over here
The two are separate questions
18:11
Bob Zimmerman, on www.behindtheblack.com likes to follow the rovers and has been collecting pics of the wear pattern on the wheels.
 
6 hours later…
23:55
@WilliamR.Ebenezer here people will be more familliar with how to find published material about the rovers and NASA publishes quite a lot. Since the wheels are how Curiosity contacts Mars I think design decisions were guided by specific aspects of that planet.
You can adjust your question in Engineering SE to focus on more general engineering principles rather than specifics of rover wheel design for Mars, then ALSO post a question here about wheel design decisions for these rovers specifically.
There's plenty here for two different questions.
as long as the questions are not the same it's fine. You can also consider adding a comment on each question linking to your "companion question" on the other site.

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