NASA Pulls the Plug on Voyager 1's Last Healthy Eye to Keep the Probe Alive

NASA Pulls the Plug on Voyager 1's Last Healthy Eye to Keep the Probe Alive

The instrument is called the Low-energy Charged Particles experiment. It has spent decades mapping the boundary between our solar system and interstellar space. Now it's off. Engineers noticed an unexpected power drop during a routine maneuver in late February and faced a grim choice: shut the instrument down deliberately, or risk triggering an automated fault-protection system that could end the mission entirely — with a 23-hour communication delay making any response nearly impossible.

Voyager 1 runs on a radioisotope thermoelectric generator, which converts heat from decaying plutonium into electricity. After 47 years, it loses roughly four watts per year — the equivalent of a dim nightlight — and there's no way to recharge it. Of the ten original instruments launched in 1977, only two now remain fully active: one measuring magnetic fields, one listening to plasma waves. Engineers have a pre-planned shutdown sequence, a grim checklist they work through as the power slowly bleeds away. They did leave one small motor on the disabled instrument running, a deliberate hedge — if they find a few spare watts somewhere, they might be able to switch it back on.

The probe is the most distant human-made object in existence. It will keep drifting outward long after its last instrument dies, a silent artifact carrying a golden record with the sounds of Earth into a void where no one may ever find it.

Gobble's Take: Your phone has a two-year upgrade cycle. This machine, built with less computing power than a modern car key fob, is still sending postcards from beyond the solar system — and NASA is fighting to keep it breathing one instrument at a time.

Source: Space.com

Blue Origin Nailed the Landing, Killed the Satellite, and Got the Whole Fleet Grounded

Jeff Bezos watched his New Glenn rocket stick a picture-perfect booster landing on a sea barge Sunday — and then watched the upper stage drop its commercial payload into a useless orbit where it burned up in the atmosphere. The Federal Aviation Administration has now grounded the entire New Glenn fleet pending investigation.

CEO Dave Limp says preliminary data points to one of the upper stage's BE-3U engines failing to produce sufficient thrust. The lost satellite belonged to AST SpaceMobile, a company building a direct-to-smartphone cellular network from orbit — now one spacecraft short of its constellation. New Glenn did manage to reuse its first-stage booster for the first time, a genuine milestone for Blue Origin, which has been chasing SpaceX's reusability record for years. But in the launch business, a booster that lands beautifully while the payload burns up is still a failed mission.

The grounding halts Blue Origin's push to compete seriously in the commercial and national security launch market. The FAA investigation, led by Blue Origin with federal oversight, must identify the root cause before New Glenn flies again — and there's no published timeline for when that might be.

Gobble's Take: This is like perfectly parallel parking your car and then watching it roll into the ocean because you forgot the handbrake — except the car cost hundreds of millions of dollars and belonged to someone else.

Sources: AP News · Space.com · Spaceflight Now

The U.S. Military Ditched One Rocket for Another Mid-Mission — and the GPS Satellite Made It to Orbit Anyway

At 2:53 a.m. EDT this morning, a SpaceX Falcon 9 lifted off from Cape Canaveral carrying the final satellite in the Air Force's GPS III series — a mission that was never supposed to be SpaceX's. The launch had been assigned to United Launch Alliance's Vulcan Centaur rocket until an earlier Vulcan anomaly prompted the Space Force to pull the contract and hand it to SpaceX rather than wait for the investigation to conclude.

The GPS III satellites represent a generational upgrade: three times the positional accuracy and eight times the anti-jamming capability of the previous generation — a gap that matters when adversaries are actively trying to spoof military navigation. The Falcon 9 delivered the satellite to its target orbit roughly 90 minutes after liftoff. No drama, no anomaly, no wrong orbit.

The mission swap is a case study in why the Pentagon has spent years cultivating two competitive launch providers instead of one. Blue Origin's fleet is now grounded. ULA's Vulcan is under investigation. SpaceX flew on schedule.

Gobble's Take: Having a backup rocket turns out to be as important as having a backup parachute — and right now, the Space Force is very glad it packed one.

Source: Space.com

SpaceX's Next ISS Cargo Run Is Carrying Wood-Based Bone Scaffolds to Space

SpaceX's 34th resupply mission to the International Space Station is targeting May 12th, and the Dragon capsule's manifest reads less like a grocery list and more like a university research fair. The most striking experiment: bone scaffolds made from wood, tested in microgravity to explore new treatments for osteoporosis and conditions that cause bones to fracture under ordinary stress.

Researchers are also sending equipment to track how red blood cells and the spleen change in a weightless environment — relevant both for long-duration astronaut health and for understanding blood disorders on Earth. A separate investigation will test whether microgravity simulators used in ground labs actually replicate the conditions of orbit, a foundational question for the validity of years of prior research. The station sits 250 miles up and orbits Earth every 90 minutes; the environment it provides is genuinely irreproducible on the ground.

The mission is a reminder that the ISS's most important product isn't astronaut-hours or operational milestones — it's a pipeline of experiments that can only be run in a place where gravity stops being a factor.

Gobble's Take: Someday your orthopedic surgeon may owe a debt to a piece of lumber that spent six months in orbit.

Source: NASA

Quick Hits

• Artemis II crew questions answered: NASA published a detailed FAQ on the upcoming crewed lunar flyby — four astronauts, a 10-day mission, and the first humans to leave low-Earth orbit since Apollo 17 in 1972. NASA
• Media invited to SpaceX CRS-34 launch: NASA has opened media credentials for the May 12th Dragon resupply launch from Kennedy Space Center, the next step in what has become the most routine — and still remarkable — orbital logistics operation in history. NASA

In Case You Missed It

Yesterday's top stories:

• Blue Origin Nails the Landing, Loses the Satellite
• NASA Just Sent Humans to the Moon for the First Time Since 1972 — and the Astronauts' Bodies Are Now the Data