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Heat Shield

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Parker Solar Probe Braces the Sun at 430,000 mph Behind a 4.5-Inch Shield
science1 month ago

Parker Solar Probe Braces the Sun at 430,000 mph Behind a 4.5-Inch Shield

The Parker Solar Probe is now flying through the Sun’s outer atmosphere, the corona, at about 430,000 mph—fast enough to cross the continental U.S. in 20 seconds. Behind a 4.5-inch-thick carbon-carbon shield with a carbon foam core, the electronics stay near room temperature while the shield’s face reaches roughly 2,500°F. The shield’s design lets it approach the Alfvén surface and sample fast‑moving solar wind and structures, a capability made possible by seven Venus flybys to tighten its orbit. The probe carries four instrument suites (FIELDS, SWEAP, WISPR, ISʘIS) to study electric and magnetic fields, particles, and corona imagery, and its speed and shielding enable science beyond the original plan.

via Space Daily|
#carbon-foam#corona#heat-shield
Parker Solar Probe Pushes into the Sun’s Shadow, Shield Protects the Mission
space1 month ago

Parker Solar Probe Pushes into the Sun’s Shadow, Shield Protects the Mission

The Parker Solar Probe remains the fastest human-made object, zipping through the Sun’s corona at about 430,000 mph and protected by a 4.5-inch-thick carbon-foam heat shield; after seven Venus gravity assists it now sits in its closest solar orbit, operating autonomously and returning data on the corona and solar wind as NASA extends the mission beyond its original plan.

via Space Daily|
#carbon-foam-core#heat-shield#parker-solar-probe
Charred Orion Hull: Artemis 2’s fiery ride home
space2 months ago

Charred Orion Hull: Artemis 2’s fiery ride home

Space.com’s Space Photo of the Day shows NASA’s Artemis 2 Orion capsule charred at Kennedy Space Center after its 10‑day lunar mission, highlighting a reentry temperature near 5,000°F. The crew—Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen—returned to Earth with a Pacific splashdown on April 10, and NASA will study the heat shield’s performance to inform Artemis 3.

via Space|
#artemis-2#heat-shield#nasa
Heat shield’s deep-sea postscript: Artemis 2’s fiery relic photographed underwater
space2 months ago

Heat shield’s deep-sea postscript: Artemis 2’s fiery relic photographed underwater

NASA’s Artemis 2 heat shield was photographed underwater after the Orion capsule’s splashdown off San Diego on April 10, 2026. The scorched tiles endured reentry temperatures near 5,000°F (about 2,800°C), and divers captured images of the heat shield as the capsule is prepared for return to Kennedy Space Center for further study ahead of Artemis 3.

via Space|
#artemis-2#heat-shield#nasa
Underwater photos capture Artemis 2 splashdown heat shield in action
space2 months ago

Underwater photos capture Artemis 2 splashdown heat shield in action

Navy divers underwater photos of Artemis 2’s splashdown offer a rare view of the Orion capsule’s heat shield in action; early analysis suggests the heat shield performed well and the ceramic tiles held up, with airborne imagery also aiding review. NASA says minimal char loss was observed and the data will inform checks ahead of Artemis 3 in 2028, as NASA faces broader program challenges highlighted by a Blue Origin setback with its New Glenn rocket.

via Yahoo|
#artemis-2#heat-shield#navy-divers
Artemis II Survives Fiery Reentry as Heat Shield Holds
space2 months ago

Artemis II Survives Fiery Reentry as Heat Shield Holds

NASA reports Artemis II's heat shield endured a blistering 24,664 mph reentry with only minimal char, no cracked tiles, and intact reflective tape, according to initial post-splashdown assessments; divers' photos confirm a precise splashdown and NASA says the heat shield performed as expected, addressing earlier concerns about using the Artemis I shield for Artemis II and keeping the program on track for future missions.

via Live Science|
#artemis-ii#heat-shield#nasa
Orion’s Issues Put Artemis III on Hold Until NASA Fixes Leaks and Shields
science2 months ago

Orion’s Issues Put Artemis III on Hold Until NASA Fixes Leaks and Shields

NASA’s Orion capsule has several problems to fix before Artemis III, including a helium leak in the oxygen pressurization system, a heat shield damaged in earlier tests that NASA intends to redesign, and hydrogen leaks plus plumbing glitches. The issue is complicated by the fact that the return module isn’t recovered for postflight inspection, so Orion may require a full redesign. Artemis III will be uncrewed, giving NASA time to address these flaws before more ambitious missions to the Moon or Mars.

via Yahoo|
#artemis-iii#heat-shield#helium-leak
Artemis II heat shield nails fiery reentry, near-perfect splashdown
science2 months ago

Artemis II heat shield nails fiery reentry, near-perfect splashdown

Artemis II’s heat shield with its ablative coating held up under the mission’s blistering 24,664 mph reentry, showing minimal char and no cracked tiles in early NASA assessments. NASA’s lofted Apollo-style entry, designed after Artemis I’s shield issues, helped safeguard the crew, and underwater imagery plus a precise splashdown about 2.9 miles from the target mark progress for the Artemis program.

via Yahoo|
#artemis-ii#heat-shield#nasa
Artemis II Heat Shield Survives Fiery Reentry, NASA Photo Confirms
science2 months ago

Artemis II Heat Shield Survives Fiery Reentry, NASA Photo Confirms

A photo released by NASA, taken by U.S. Navy divers after Artemis II’s splashdown, shows the charred heat shield of the Orion capsule. Early postflight inspections indicate it performed as designed with reduced char loss compared with Artemis I, and NASA will continue examining the heat shield and crew module while addressing issues such as the spacecraft’s toilet to inform future Artemis missions.

via Yahoo|
#artemis#heat-shield#nasa
Artemis II Heat Shield Passes Reentry Test, Boosting Moon Mission Confidence
space2 months ago

Artemis II Heat Shield Passes Reentry Test, Boosting Moon Mission Confidence

NASA says Artemis II’s heat shield performed as expected during splashdown, with Navy divers’ photos showing far less char than Artemis I. Initial inspections found no unusual conditions and the capsule will undergo further testing at Kennedy Space Center and Marshall Space Flight Center, including sample extraction and x‑ray scans, as NASA refines plans for Artemis III and beyond. The spacecraft reentered at about 35 times the speed of sound, a key milestone for future lunar missions.

via Futurism|
#artemis-ii#heat-shield#nasa