NASA Shares Hubble Space Telescope’s First Photos Since Mystery Glitch


The Hubble Space Telescope is back, and NASA has the pictures to prove it.

The Earth-orbiting observatory went offline on June 13 and stayed that way for more than a month while engineers struggled to identify a mysterious glitch. NASA still hasn’t announced what exactly caused the problem, but the agency’s engineers managed to bring Hubble back online by activating some of its backup hardware on Thursday.

“I was quite worried,” NASA Associate Administrator Thomas Zurbuchen said in a Friday video interview with Nzinga Tull, who led the Hubble team through troubleshooting. “We all knew this was riskier than we normally do.”

Hubble slowly powered up its science instruments again over the weekend and conducted system check-outs to make sure everything still worked. Then it snapped its first images since the whole debacle started.

The telescope focused its lens on a set of unusual galaxies on Saturday. One of its new images shows a pair of galaxies slowly colliding. The other image shows a spiral galaxy with long, extended arms. Most spiral galaxies have an even number of arms, but this one only has three.

Hubble’s first images after recovering from a month-long glitch show some unusual galaxies.

Science: NASA, ESA, STScI, Julianne Dalcanton (UW) Image processing: Alyssa Pagan (STScI)

Hubble is also observing Jupiter’s northern and southern lights, or auroras, as well as tight clusters of stars. NASA hasn’t shared images from those observations yet.

“I’m thrilled to see that Hubble has its eye back on the universe, once again capturing the kind of images that have intrigued and inspired us for decades,” NASA Administrator Bill Nelson said in a press release. “This is a moment to celebrate the success of a team truly dedicated to the mission. Through their efforts, Hubble will continue its 32nd year of discovery, and we will continue to learn from the observatory’s transformational vision.”

A mysterious glitch that took a month to fix

The Hubble Space Telescope in orbit above Earth.


Hubble, the world’s most powerful space telescope, launched into orbit in 1990. It has photographed the births and deaths of stars, spotted new moons circling Pluto, and tracked two interstellar objects zipping through our solar system. Its observations have allowed astronomers to calculate the age and expansion of the universe and to peer at galaxies formed shortly after the Big Bang.

But the telescope’s payload computer suddenly stopped working on June 13. That computer, built in the 1980s, is like Hubble’s brain — it controls and monitors all the science instruments on the spacecraft. Engineers tried and failed to bring it back online several times. Eventually, after running more diagnostic tests, they realized that the computer wasn’t the problem at all — some other hardware on the spacecraft was causing the shutdown.

Nzinga Tull, Hubble systems anomaly response manager at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, works in the control room July…

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