Hubble Telescope Put Into Dreaded Safe Mode Due to Ongoing Glitch
Update: April 30, 4:22 p.m. ET: NASA says Hubble is back online and resuming science duties, doing so on April 29. The spacecraft is in good health and once again operating using all three of its gyros," the space agency said. All of Hubble's instruments are online, and the spacecraft has resumed taking science...