JPL Blog


Out of This World? The Mars Climate Change Mystery

Out of This World? The Mars Climate Change Mystery
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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 […]

Red, Red Moon and Other Lunar Eclipse Phenomena

Red, Red Moon and Other Lunar Eclipse Phenomena

By Dr. David Diner Tiny airborne particles, or aerosols, can affect the appearance of the moon during a total lunar eclipse, sometimes giving it a reddish hue. Image credit: NASA/JPL-Caltech A lunar eclipse occurs when the Earth is positioned between the sun and the moon. Although the Moon passes through the Earth’s shadow, the lunar […]

Lunar Eclipse, the Moon’s Interior, and the Holy GRAIL

Lunar Eclipse, the Moon’s Interior, and the Holy GRAIL

By Sami Asmar In addition to the awesome views they offer, lunar eclipses have always provided scientific clues about the moon’s shape, location and even surface composition. Although there will continue to be opportunities for observers to examine and reflect on fundamental concepts about the moon, such as its origin and interior structure, more modern […]

Unchained Goddess: Frank Capra Knew

Unchained Goddess: Frank Capra Knew

By Amber Jenkins You might think from the amount of “climate science debate” that is given airtime in the U.S. media that it’s undiscovered territory. But it’s not. The science is very well established and goes back a long way. Global warming is not a new concept. The Victorians knew about it. John Tyndall (born […]

Rocks and Stars with Amy: This Asteroid Inspected by #32

Rocks and Stars with Amy: This Asteroid Inspected by #32

By Amy Mainzer Over the course of the nine months we’ve been operating WISE, we’ve observed over 150,000 asteroids and comets of all different types. We had to pick all of these moving objects out of the hundreds of millions of sources observed all over the sky — so you can imagine that sifting through […]

Pulling for the Deniers — Place Your Bets

Pulling for the Deniers — Place Your Bets

A guest blog written for My Big Fat Planet by Ed Begley Jr.   I visit the NASA website and review the data. CO2: Up. Ocean and land temperature: Up. Sea level: Up. Polar ice: Down. Oops. But, as bizarre as this sounds … I find myself pulling for the climate change deniers. Wouldn’t it […]

Taking On Water Resource Issues

Taking On Water Resource Issues

By Stephanie Granger Worldwide today, it is estimated that nearly 1.1 billion people live without access to adequate water supplies and about 2.6 billion people lack adequate water sanitation. Improved understanding of water processes at global and regional scales is essential for sustainability. Researchers at JPL recently launched the Western Water Resource Solutions website to […]

The Power of the Solar Arrays

The Power of the Solar Arrays

By Marc Rayman Recently, one of our fans on the NASAJPL Facebook page asked a good question about the efficiency of solar arrays on the Dawn and Rosetta spacecraft. “A question about Dr. Marc D. Rayman’s comment in his Dawn journal, saying that ‘its tremendous solar arrays [are] the most powerful ever used on an […]