Category Astronomy/Space

Oldest Meteorite Collection on Earth found in one of the Driest Places

The L6 ordinary chondrite El Médano 128, a 556 g meteorite recovered in the Atacama Desert. Photo courtesy CCJ-CNRS, P. Groscaux. Click on the image for a larger version.

Researchers have uncovered a wealth of well-preserved meteorites that allowed them to reconstruct the rate of falling meteorites over the past two million years. Earth is bombarded every year by rocky debris, but the rate of incoming meteorites can change over time. Finding enough meteorites scattered on the planet’s surface can be challenging, especially if you are interested in reconstructing how frequently they land. Now, researchers have uncovered a wealth of well-preserved meteorites that allowed them to reconstruct the rate of falling meteorites over the past two million years.

“Our purpose in this work wa...

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Origami-Inspired materials could Soften the blow for Reusable Spacecraft

Origami shapes (stock image).
Credit: © elettaria / Adobe Stock

Researchers have developed a novel solution to help reduce impact forces – for potential applications in spacecraft, cars and beyond. Space vehicles like SpaceX’s Falcon 9 are designed to be reusable. But this means that, like Olympic gymnasts hoping for a gold medal, they have to stick their landings.

Landing is stressful on a rocket’s legs because they must handle the force from the impact with the landing pad. One way to combat this is to build legs out of materials that absorb some of the force and soften the blow.

University of Washington researchers have developed a novel solution to help reduce impact forces – for potential applications in spacecraft, cars and beyond...

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Meteor Magnets in outer space—study finds elusive Giant Planets

The ‘wobble,’ or radial velocity technique for finding planets relies on the movement of the stars created as they’re circled by their planets. The blue wave represents movement toward Earth, while the red wavelength occurs as the star heads away. Credit: (NASA/JPL-Caltech)

Astronomers believe planets like Jupiter shield us from space objects that would otherwise slam into Earth. Now they’re closer to learning whether giant planets act as guardians of solar systems elsewhere in the galaxy.

A UCR-led team has discovered two Jupiter-sized planets about 150 light years away from Earth that could reveal whether life is likely on the smaller planets in other solar systems.

“We believe planets like Jupiter have profoundly impacted the progression of life on Earth...

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Massive Martian Ice discovery opens a window into Red Planet’s history

A vertically exaggerated view of Mars’ north polar cap. Researchers with The University of Texas at Austin and the University of Arizona estimate that if melted, the massive ice deposits discovered in this region would cover the planet in 1.5 meters (5 feet) of water. Credit: SA/DLR/FU Berlin; NASA MGS MOLA Science Team

Newly discovered layers of ice buried a mile beneath Mars’ north pole are the remnants of ancient polar ice sheets and could be one of the largest water reservoirs on the planet, according to scientists. The layers of ice are a record of past climate on Mars in much the same way tree rings are a record of climate on Earth.

The team made the discovery using measurements gathered by the Shallow Radar (SHARAD) on NASA’s Mars Reconnaissance Orbiter (MRO)...

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