TB 26-09 Measured Hammer-Tap InputsFor more information, contact Joel W. Sills, Langley Research Center,
[email protected]. 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 EarthThe 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 NASAMeteor 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 LaunchMedia 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, […]
NASA’s Hubble Uncovers Case of Missing Oxygen in Nearby Dwarf GalaxiesNASA’s Hubble studied 37 nearby dwarf galaxies and found that much of the oxygen they expected to see is missing.
APOD: 2026 November 2 – A Long Cloud on MarsAPOD Science APOD APOD: 2026 November 2 – A… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. A Long […]
Pennsylvania’s Grand CanyonAmid the warm hues of fall foliage, Pine Creek Gorge forms a deep scar in the Allegheny Plateau.
APOD: 2026 November 1 – Colors of the MoonAPOD Science APOD APOD: 2026 November 1 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Colors of the […]
APOD: 2026 October 31 – Night on a Spooky PlanetAPOD Science APOD APOD: 2026 October 31 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Night on a […]
NASA Releases MAX POWER Key Events for Media, ParticipantsAmerica’s newest aerospace expo and air show – MAX POWER – is fast approaching, and NASA has announced key events beginning Friday, Nov. 6, and running through Sunday, Nov. 8, hosted on and near the agency’s Kennedy Space Center in Florida. Through multiple park experiences at MAX POWER, NASA and a variety of external collaborators […]