NASA asks industry how to extend Hubble’s life—and end it safely
A request for information explores reboost, servicing and controlled disposal. No commercial mission has been selected.
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The ISS has deployed its seventh new solar array. One remains
The completed spacewalk adds power on channel 2A; the final roll-out array is planned for November 5.
Voyager 1 saves power and restores contact, with the cause of its silence still open
A coordinated hardware switch extends instrument time. A separate October interruption ended before ground commands were sent.
Webb’s N159 image shows a stellar nursery at several stages at once
Infrared colours separate ionized gas, molecules and dense filaments. The nearby galaxy offers a comparison with less chemically enriched conditions.
Rosetta’s comet selfie still explains the distance between arriving and landing
Philae took the 2014 image while still attached to the orbiter. Two exposures let a spacecraft and a dim comet share the frame.
The cosmic web is a map of a model. Dark matter is still a question about matter
An astronomy visualization makes structure visible without photographing the particles behind it. That distinction is the useful part of the image.
Swift has stopped observing. Its greatest instrument was the ability to turn quickly
NASA’s gamma-ray-burst observatory leaves nearly 22 years of observations as atmospheric drag ends the mission. Its archive outlives the spacecraft.
Dragonfly’s simulated Titan flight tests whether the right decision arrives on time
Flight-like avionics, simulated sensors and real-time imagery bring the first Titan landing sequence into a more demanding test.
Suomi NPP’s final job is to leave orbit deliberately
NOAA plans a December descent for the weather satellite. Its retirement shows why an end-of-life maneuver belongs in the mission design.