For more information, contact Joel W. Sills, Langley Research Center, joel.w.sills@nasa.gov. Download the PDF version An instrumented hammer test does not require an idealized single half-sine waveform. When the complete force and response are measured accurately, crest ripples and separated contacts remain known inputs. Force shape changes excitation, but does not inherently invalidate the record. […]
NASA’s CHAPEA Crew “Returns” to Earth
The four-member Crew Health and Performance Exploration Analog (CHAPEA) crew poses outside for the first time in more than a year following the end of their simulated Mars journey on Oct. 31, 2026. Crew members Matthew Montgomery (left), James Spicer (middle left), Ross Elder (middle right), and Ellen Ellis (right) spent more than a year […]
What’s Up: November 2026 Skywatching Tips from NASA
Meteor Showers, a Spacecraft Milestone, and a Supermoon Catch Taurid and Leonid meteors, spot Mars near Jupiter, celebrate Voyager 1’s light-day milestone, and watch November’s supermoon. Skywatching Highlights Transcript A month of meteor showers … a close pairing of Mars and Jupiter … and a supermoon! That’s What’s Up for November. November offers a buffet […]
NASA Invites Media to Northrop Grumman CRS-25 Station Resupply Launch
Media accreditation is open for the next launch to deliver NASA science investigations, supplies, and equipment to the International Space Station. A Northrop Grumman Cygnus XL spacecraft will launch in November to the orbital laboratory on a SpaceX Falcon 9 rocket for NASA. The mission is known as NASA’s Northrop Grumman Commercial Resupply Services 25, […]