
Day 25: Slow and Steady Wins in Space
What do the Webb Space Telescope mirror segments and a tortoise have in common? They both take it slow and ...

STScI: Capturing All That Glitters in Galaxies with NASA’s Webb
An international research team will survey the stars, star clusters, and dust that lie within 19 nearby galaxies ...

Day 19: Moving Mirrors
Now that the telescope is fully deployed, engineers started to unlock and move the mirror segments this week in preparation ...

Day 14: Webb’s Deployment is Complete!!
From the spectacular Ariane 5 rocket launch on Christmas day to the deployment of the solar panels, sunshield, and secondary ...

Day 13: Mirror, Mirror – First Wing Unfolds
Today the port side of Webb’s mirror was successfully unfolded. After a motor moved the wing into position, it took ...

Day 11: We have a telescope!
Today’s excitement came directly from the NASA livestream of the Mission Operations Center at Space Telescope Science Institute during the ...

Day 10: Sunshield Deployment Complete!
From an engineering perspective, Webb’s sunshield was one of the most difficult challenges to overcome in building the telescope. Unlike ...

Day 9: A Pause, and then Sunshield Tensioning Begins
The year 2021 ended for the Webb Telescope in a nominal way. “Nominal” is spacecraft lingo for “everything is going ...

Day 6: Sunshield Booms begin to deploy
Today saw the beginning of one of the most difficult Webb deployments so far, the sunshield rollout. The Webb telescope ...

Day 5: Webb’s Aft Momentum Flap and Sunshield Covers Deployed
The Webb team at the Mission Operations Center (MOC) at Space Telescope Science Institute (STScI) in Baltimore, Maryland started the ...

Day 4: Science Operation not limited by fuel; Webb’s Tower Extends
Because of its picture-perfect launch, Webb used less fuel than anticipated for its mid-course correction burns. Less fuel burned now ...

Day 3: Webb Sunshield Starts to Unfold
Unitized Pallet Structures (UPS) unfold. These two pallets (one forward and the other aft) hold the folded sunshield layers. The ...