The solar system has eight planets. In 2006, astronomers reclassified Pluto as a dwarf planet, the same class that contains Eris, Sedna, Quaoar, Ceres and perhaps many more solar system small bodies. These are defined approximately ...
Astronomy
Mar 14, 2022
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When the Apollo astronauts returned to Earth, they brought with them some souvenirs: rocks, pebbles, and dust from the moon's surface. These lunar samples have since been analyzed for clues to the moon's past. One outstanding ...
Space Exploration
Dec 4, 2014
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Natural photosynthesis—the remarkable ability of plants to transform sunlight into useful energy—powers virtually all life on Earth. But that's not enough for some people.
Materials Science
Aug 7, 2013
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A new material structure developed at MIT generates steam by soaking up the sun.
Energy & Green Tech
Jul 21, 2014
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(Phys.org) —A team of researchers studying comet Lovejoy has discovered that as the ball of ice passed through the sun's corona in December 2011, its tail wiggled in a way that allowed them to better understand coronal ...
Cataclysmic events happen in the universe all the time. Black hole mergers, supernovae, gamma-ray bursts, and a whole host of others. Most of them happen in distant galaxies, so they pose no threat to us. But there are a ...
Astronomy
Oct 24, 2023
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A family of compounds known as perovskites, which can be made into thin films with many promising electronic and optical properties, has been a hot research topic in recent years. But although these materials could potentially ...
Materials Science
May 24, 2016
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655
(PhysOrg.com) -- One of the world's most colorful solar instruments is moving across country for a new life dissecting the chemistry of comets and stars.
Space Exploration
Feb 1, 2012
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(PhysOrg.com) -- Challenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the Sun's impact on Earth over the course of the 11-year solar cycle. The study, ...
Space Exploration
Sep 17, 2009
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(PhysOrg.com) -- Two-thousand-degree temperatures, supersonic solar particles, intense radiation – all of this awaits NASA’s Solar Probe Plus during an unprecedented close-up study of the sun.
Space Exploration
Mar 7, 2012
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