On 04/06/2024 14:30 Snidely <snidely.too@gmail.com> wrote:

Per NASA newsconference, HST will begin operating in one-gyro mode.
Three gryos are dead, the three improved gyros are still operating but
one has been giving bad data from time to time, causing safe-mode
operations. This will be kept offline as "from time to time" becomes
more frequent.

Hubble annual operations about $95 million.

(The improvement is in corrosion resistance.)

(Questions were asked about the proposed Polaris reboost mission)

I very much doubt Hubble can be repaired by a Polaris (Crew Dragon) mission since they don't have a platform to attach Dragon to Hubble. Also, who's going to pay for all this? Isaacman is conjuring up this mission but I'm pretty sure he's not going to
pay it out of his own pocket.

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On 2024-06-05 15:26, The Running Man wrote:

On 04/06/2024 14:30 Snidely <snidely.too@gmail.com> wrote:

Per NASA newsconference, HST will begin operating in one-gyro
mode. Three gryos are dead, the three improved gyros are still
operating but one has been giving bad data from time to time,
causing safe-mode operations. This will be kept offline as "from
time to time" becomes more frequent.

Hubble annual operations about $95 million.

(The improvement is in corrosion resistance.)

(Questions were asked about the proposed Polaris reboost mission)

I very much doubt Hubble can be repaired by a Polaris (Crew Dragon)
mission since they don't have a platform to attach Dragon to Hubble.

The Polaris mission is for reboost, not repair. At the NASA news
conference, NASA said they believe that thanks to the improved corrosion-resistant gyros, Hubble can very likely operate in the
one-gyro mode to the end of the 2020's, and has about a 70% chance of
operating into the low 2030's (IIRC). So a repair does not seem very urgent.

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