Field Notes

Earthrise, Apollo 8, NASA
Logbook: What's Falling, Flying, and Arriving in Space Right Now
A quick scan of the sky this week, from people who think about falling objects more than is strictly healthy: telescopes, solar-wind missions, Canadarm repairs, and a continuing fireball surge. Read more...
Hubble Ultra Deep Field, NASA and ESA
Reading Forty Years of Docking Near-Misses So We Don't Repeat Them
Before you build a spacecraft that grabs other spacecraft, you read every account of the times it nearly went wrong. That reading became SW-TR-001. Read more...
Earthrise, Apollo 8, NASA
Reading Your Velocity in Four Frames
Standing still, you are moving at four very different speeds at once. The Earth Rotation Speedometer now reads all four, from the latitude-dependent spin beneath your feet to the Local... Read more...
Earth from Apollo 17, NASA
Entry 001: Why an Orbital-Debris Program Starts in the Archive
Field Notes is the working record of Space Waste: the research, the live-data tools, and the engineering reasoning behind a concept-stage debris-removal program. What we are building, and why we... Read more...

Calibrating Telemetry Link...

Awaiting data stream payload...