Hubble enters safe mode

Oct 02, 2008
The Hubble Space Telescope moves slowly away from Discovery following its release. The photo was taken during Servicing Mission 2 in 1997. Credits: NASA

At approximately 02:00 CEST on Sunday, 28 September, the NASA/ESA Hubble Space Telescope automatically entered safe mode when errors were detected in the Control Unit/Science Data Formatter-Side A.

This component is essential for the storage and transmission of data from the telescope's science instruments back to Earth. Ground control attempts to reset the device and obtain a download of the payload computer's memory were unsuccessful.
NASA specialists are currently investigating the problem and are in the process of planning a switch-over to the redundant Side B.

This is a complex task and requires that five other modules are also switched to communicating via the B channel. Many of these modules were last activated 20 years ago during ground testing prior to launch. If this transition is successfully completed the telescope could rapidly be returned to science operations.

NASA is now also evaluating the possibility of flying a back-up replacement system as part of the Servicing Mission 4 that was originally scheduled for 14 October. The replacement part, although already manufactured, needs to be fully checked and tested at the NASA Goddard Facility and as a result will not be ready for delivery to the Shuttle before early January 2009.

Provided by ESA

Explore further: NASA craft set to beam home close-ups of Pluto

add to favorites email to friend print save as pdf

Related Stories

NASA's new winds mission installed, gathers first data

Oct 09, 2014

NASA's newest Earth observing mission, the International Space Station-Rapid Scatterometer, or ISS-RapidScat, is collecting its first science data on ocean wind speeds and direction following its successful ...

Recommended for you

NASA craft set to beam home close-ups of Pluto

8 hours ago

Nine years after leaving Earth, the New Horizons spacecraft is at last drawing close to Pluto and on Sunday was expected to start shooting photographs of the dwarf planet.

Elon Musk's SpaceX drops lawsuit against Air Force

18 hours ago

A spacecraft company run by billionaire Elon Musk has dropped a lawsuit alleging the U.S. Air Force improperly awarded a contract to launch military satellites to a joint venture between Boeing and Lockheed ...

NASA spacecraft almost to Pluto: Smile for the camera!

Jan 23, 2015

It's showtime for Pluto. NASA's New Horizons spacecraft has traveled 3 billion miles and is nearing the end of its nine-year journey to Pluto. Sunday, it begins photographing the mysterious, unexplored, icy ...

Gullies on Vesta suggest past water-mobilized flows

Jan 23, 2015

(Phys.org)—Protoplanet Vesta, visited by NASA's Dawn spacecraft from 2011 to 2013, was once thought to be completely dry, incapable of retaining water because of the low temperatures and pressures at its ...

User comments : 1

Adjust slider to filter visible comments by rank

Display comments: newest first

barakn
2.5 / 5 (2) Oct 02, 2008
Old news.

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.