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Solar System News
April 10, 2020
Top Headlines
 

In a First, NASA Measures Wind Speed on a Brown Dwarf

Apr. 9, 2020 — Not quite planets and not quite stars, brown dwarfs are cosmic in-betweeners. Learning about their atmospheres could help us understand giant planets around other ... read more
Saturn illustration (stock image). | Credit: (c) revers_jr / stock.adobe.com

What Makes Saturn's Atmosphere So Hot

Apr. 6, 2020 — New analysis of data from NASA's Cassini spacecraft found that electric currents, triggered by interactions between solar winds and charged particles from Saturn's moons, ... read more
Shining sun (stock image). | Credit: (c) oraziopuccio / stock.adobe.com

On Mars or Earth, Biohybrid Can Turn Carbon Dioxide Into New Products

Mar. 31, 2020 — Chemists have created a hybrid system of bacteria and nanowires that captures energy from sunlight and transfers it to the bacteria to turn carbon dioxide and water into ... read more
Mars (stock image; elements furnished by NASA). | Credit: (c) grejak / stock.adobe.com

A Martian Mash Up: Meteorites Tell Story of Mars' Water History

Mar. 30, 2020 — Researchers probed Martian meteorites to reconstruct Mars' chaotic history. Their findings suggest that Mars might not have had a global ... read more
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Mars (stock image; elements furnished by NASA). | Credit: (c) grejak / stock.adobe.com

A Year of Surprising Science from NASA's InSight Mars Mission

Feb. 24, 2020 — A new understanding of Mars is beginning to emerge, thanks to the first year of NASA's InSight lander mission. Findings described in a set of six papers reveal a planet alive with quakes, dust ... read more
Mars (stock image; elements furnished by NASA). | Credit: (c) grejak / stock.adobe.com

Magnetic Field at Martian Surface Ten Times Stronger Than Expected

Feb. 24, 2020 — New data gleaned from the magnetic sensor aboard NASA's InSight spacecraft is offering an unprecedented close-up of magnetic fields on ... read more
Illustration of protoplanetary disk (stock image). | Credit: (c) Peter Jurik / stock.adobe.com

Earth Formed Much Faster Than Previously Thought, New Study Shows

Feb. 20, 2020 — By measuring iron isotopes, researchers have shown that our planet originally formed much faster than previously thought. This finding provides new insights on both planetary formation and the ... read more

18-Hour Year Planet on Edge of Destruction

Feb. 20, 2020 — Astronomers from the University of Warwick have observed an exoplanet orbiting a star in just over 18 hours, the shortest orbital period ever observed for a planet of its ... read more
Mars illustration (stock image; elements furnished by NASA). | Credit: (c) Vadimsadovski / stock.adobe.com

Journey to the Center of Mars

Feb. 20, 2020 — Scientists have built a new compositional model for Mars. They used rocks from Mars and measurements from orbiting satellites to predict the depth to its core-mantle boundary, some 1,800 km beneath ... read more

First Research Results on the 'Spectacular Meteorite Fall' of Flensburg

Feb. 18, 2020 — A fireball in the sky, accompanied by a bang, amazed hundreds of eyewitnesses in northern Germany in mid-September last year. The reason for the spectacle was a meteoroid entering the Earth's ... read more

Scientists Pioneer New Way to Study Exoplanets

Feb. 18, 2020 — A team of scientists using the Low Frequency Array radio telescope in the Netherlands has observed radio waves that carry the distinct signatures of aurorae, caused by the interaction between a ... read more

Galactic Cosmic Rays Affect Titan's Atmosphere

Feb. 14, 2020 — Planetary scientists have revealed the secrets of the atmosphere of Titan, the largest moon of Saturn. The team found a chemical footprint in Titan's atmosphere indicating that cosmic rays ... read more
Illustration of planets forming in early solar system (stock image). | Credit: (c) Mopic / stock.adobe.com

New Horizons Team Uncovers a Critical Piece of the Planetary Formation Puzzle

Feb. 13, 2020 — Data from NASA's New Horizons mission are providing new insights into how planets and planetesimals -- the building blocks of the planets -- were ... read more
Mars (stock image; elements furnished by NASA). | Credit: (c) grejak / stock.adobe.com

Mars: Simulations of Early Impacts Produce a Mixed Mars Mantle

Feb. 12, 2020 — The early solar system was a chaotic place, with evidence indicating that Mars was likely struck by planetesimals, small protoplanets up to 1,200 miles in diameter, early in its history. Scientists ... read more

Supercharged Light Pulverizes Asteroids

Feb. 10, 2020 — The majority of stars in the universe will become luminous enough to blast surrounding asteroids into successively smaller fragments using their light alone, according to an ... read more

One Small Grain of Moon Dust, One Giant Leap for Lunar Studies

Feb. 7, 2020 — Scientists have found a new way to analyze the chemistry of the moon's soil using a single grain of dust brought back by Apollo 17 astronauts in 1972. Their technique can help us learn more ... read more

Pluto's Icy Heart Makes Winds Blow

Feb. 4, 2020 — A 'beating heart' of frozen nitrogen controls Pluto's winds and may give rise to features on its surface, according to a new ... read more

Low-Energy Solar Particles from Beyond Earth Found Near the Sun

Feb. 3, 2020 — Scientists have identified low-energy particles lurking near the Sun that likely originated from solar wind interactions well beyond Earth orbit. NASA's Parker Solar Probe is venturing closer to ... read more

Meteorite Chunk Contains Unexpected Evidence of Presolar Grains

Jan. 29, 2020 — An unusual chunk in a meteorite may contain a surprising bit of space history. Presolar grains -- tiny bits of solid interstellar material formed before the sun was born -- are sometimes found in ... read more

Mars' Water Was Mineral-Rich and Salty

Jan. 21, 2020 — Presently, many scientists believe Mars is the best candidate in the search for life beyond Earth because it is relatively nearby and there is good evidence that liquid water flowed on Mars' ... read more

Evidence of Strong Early Magnetic Field Around Earth

Jan. 21, 2020 — New research provides evidence that the magnetic field that first formed around Earth was even stronger than scientists previously believed. The research will help scientists draw conclusions about ... read more

Here and Gone: Outbound Comets Are Likely of Alien Origin

Jan. 17, 2020 — Astronomers at the National Astronomical Observatory of Japan (NAOJ) have analyzed the paths of two objects heading out of the Solar System forever and determined that they also most likely ... read more

'Cold Neptune' and Two Temperate Super-Earths Found Orbiting Nearby Stars

Jan. 14, 2020 — A 'cold Neptune' and two potentially habitable worlds are part of a cache of five newly discovered exoplanets and eight exoplanet candidates found orbiting nearby red dwarf stars. The two ... read more

How the Solar System Got Its 'Great Divide,' and Why It Matters for Life on Earth

Jan. 13, 2020 — Scientists have finally scaled the solar system's equivalent of the Rocky Mountain ... read more
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