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JPL Blog


Slice of History: Ranger Midcourse Motor

Slice of History: Ranger Midcourse Motor

By Julie Cooper Each month in “Slice of History” we’ll be featuring a historical photo from the JPL Archives. See more historical photos and explore the JPL Archives at https://beacon.jpl.nasa.gov/. Ranger Midcourse Motor — Photograph Number 384-5117B Engineer Ted Metz proudly showed off the Ranger midcourse correction motor in a photo similar to this one [...]

Dawn Spacecraft Getting Ready for Vesta

Dawn Spacecraft Getting Ready for Vesta

By Marc Rayman NASA’s Dawn spacecraft is less than four months away from getting into orbit around its first target, the giant asteroid Vesta. Each month, Marc Rayman, Dawn’s chief engineer, shares an update on the mission’s progress. Artist’s concept of NASA’s Dawn spacecraft. Image credit: NASA/JPL-Caltech Dear Conndawnsseurs, Three and a half years after [...]

In Memory of Dr. Moustafa T. Chahine, 1935-2011

In Memory of Dr. Moustafa T. Chahine, 1935-2011

The founder of the Atmospheric Infrared Sounder Mission, Team Leader Dr. Moustafa T. Chahine The founder of the Atmospheric Infrared Sounder Mission, Team Leader Dr. Moustafa T. Chahine, leaves behind a distinguished legacy of science, discovery, mentorship, and deep friendship. Beyond a career rich in accomplishment, Mous was a dear friend and colleague to so [...]

Dawn Spacecraft Creeping Up on Vesta

Dawn Spacecraft Creeping Up on Vesta

By Marc Rayman NASA’s Dawn spacecraft is a mere four months away from getting into orbit around its first target, the giant asteroid Vesta. Each month, Marc Rayman, Dawn’s chief engineer, shares an update on the mission’s progress. Artist’s concept of NASA’s Dawn spacecraft at the asteroid Vesta. The mission is four months away from [...]

Slice of History: Transition Pipe

Slice of History: Transition Pipe

By Julie Cooper Each month in “Slice of History” we’ll be featuring a historical photo from the JPL Archives. See more historical photos and explore the JPL Archives at https://beacon.jpl.nasa.gov/. Transition Pipe — Photograph Number 327-287A This test setup was part of an investigation in 1954 of the stability of laminar pipe flow with respect [...]

Extreme Worlds: The Moon’s Inner Core Revealed

Extreme Worlds: The Moon’s Inner Core Revealed

By Todd Ratcliff The Apollo 15 (left) and Apollo 11 (right) lunar laser ranging retroreflector arrays. Image credit: NASA/D. Scott Everyone knows that Earth’s Moon is a cold, dead chunk of rock, right? Hold on there, Sparky, not so fast! While it’s true that it was once thought that the moon was an inert, lifeless [...]

Slice of History: Cesium-Lithium Test System

Slice of History: Cesium-Lithium Test System

By Julie Cooper Each month in “Slice of History” we’ll be featuring a historical photo from the JPL Archives. See more historical photos and explore the JPL Archives at https://beacon.jpl.nasa.gov/. Cesium-Lithium Test System — Photograph Number 383-5651Ac As early as 1961, JPL’s Propulsion Division was working on a new type of power system for future [...]

Out of This World? The Mars Climate Change Mystery

Out of This World? The Mars Climate Change Mystery

By Erik Conway, writing for My Big Fat Planet Mars has been a grand scientific mystery ever since the first modern images were beamed back from the Mariner 4 spacecraft in 1965. Those snapshots showed a moon-like, cratered surface — not what we expected. Scientists had assumed that Mars would have an Earth-like atmosphere, composed [...]

Rocks and Stars with Amy: This Year I Saw the Universe

Rocks and Stars with Amy: This Year I Saw the Universe

By Amy Mainzer With WISE, I roamed the skies — seeing everything from the closest asteroids to the most distant galaxies. When I was a kid, maybe 6 or 7, I remember reading the encyclopedia about Andromeda, Mars and Jupiter. After that, I spent a lot of my free time (and a fair amount of [...]

Science Fact, Not Fiction: Isaac Asimov on the Greenhouse Effect

Science Fact, Not Fiction: Isaac Asimov on the Greenhouse Effect

By Amber Jenkins I stumbled upon this video earlier today. It’s Isaac Asimov, famous science fiction writer and biochemist, talking about global warming — back in January 1989. If you change the coloring of the video, the facial hair style, and switch out Asimov for someone else, the video could pretty much have been made [...]

Maude Woods - Opening October 22nd in Pasadena

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