50 votes
Accepted

What is SpaceX doing differently with their Falcon 9 so that it doesn't cost as much as the Space Shuttle?

A few factors: First, the shuttle had extreme capability and performance requirements that Falcon 9 didn't have, for example: Recovery of a 100-ton vehicle from orbit, with a reusable thermal ...
Russell Borogove's user avatar
12 votes

What is SpaceX doing differently with their Falcon 9 so that it doesn't cost as much as the Space Shuttle?

There has been about a 20-fold reduction in launch costs vis-a-vis NASA since SpaceX began using the Falcon 9. The Falcon Heavy is yet cheaper and Starship will be cheaper again in costs per kg to LEO....
Galerita's user avatar
  • 954
11 votes
Accepted

How much will NASA save by shutting down the Chandra X-Ray Observatory?

Per this SpaceNews article: The cuts to the Chandra X-Ray Observatory, though, are more significant. That mission, which received \$68.3 million in 2023, would see its budget cut by 40% to \$41.1 ...
fyrepenguin's user avatar
  • 1,663
7 votes

What is SpaceX doing differently with their Falcon 9 so that it doesn't cost as much as the Space Shuttle?

The Space Transportation System (Space Shuttle) or STS as I'll refer it to in this post, is more expensive than the Falcon 9 in recovery for a bunch of reasons. Here are some that I think influence ...
Lawn Hollander Lawn's user avatar
5 votes
Accepted

Unable to find Incident Report for aborted launch of first Shuttle flight

There are several writeups on this. Perhaps you are thinking of the famous "Bug Heard Round the World" article. Here is the introduction. On April 10, 1981, about 20 minutes prior to the ...
Organic Marble's user avatar
4 votes

What is SpaceX doing differently with their Falcon 9 so that it doesn't cost as much as the Space Shuttle?

The other answers provided all the fine details as to the exact differences but I'd like to focus on WHY the space shuttle was designed to cost more than necessary: The spaceshuttle was a breakthrough ...
Hobbamok's user avatar
  • 270
3 votes

What is SpaceX doing differently with their Falcon 9 so that it doesn't cost as much as the Space Shuttle?

One of the main reasons for the cost difference is that when the mission requires the use of an orbiter, this adds cost and reduces the payload capacity to orbit. When the mission requirements can be ...
phil1008's user avatar
  • 4,484
2 votes

Why is NASA waiting until Artemis V to bring a rover?

The premise of the question seems to be that NASA just needs to duplicate what was done with the Apollo lunar rovers. However the mission requirements for the Artemis rovers are much more challenging. ...
Steve Pemberton's user avatar
1 vote

Why is NASA waiting until Artemis V to bring a rover?

Because the Rover is not intended to travel with Artemis V, but will fly separately. Per NASA press release the contract for the unpressurized rover is for a vehicle plus delivery to the moon via ...
GremlinWranger's user avatar

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