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Sun News
April 22, 2020
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Hubble Space Telescope (stock image; elements furnished by NASA). | Credit: (c) zenobillis / stock.adobe.com

Exoplanet Apparently Disappears in Latest Hubble Observations

Apr. 20, 2020 — What scientists thought was a planet beyond our solar system has 'vanished.' Though this happens to sci-fi worlds, scientists seek a more plausible explanation. One ... read more
'Oumuamua illustration (stock image). | Credit: (c) dottedyeti / stock.adobe.com

New Formation Theory Explains the Mysterious Interstellar Object 'Oumuamua

Apr. 13, 2020 — Since its discovery in 2017, an air of mystery has surrounded the first known interstellar object to visit our solar system, an elongated, cigar-shaped body named 'Oumuamua. ... read more
Nova illustration (stock image). | Credit: (c) cameraman / stock.adobe.com

NASA Missions Help Reveal the Power of Shock Waves in a Nova Explosion

Apr. 13, 2020 — Unparalleled observations of a nova outburst in 2018 by a trio of satellites, including two NASA missions, have captured the first direct evidence that shock waves powered ... read more
Supernova illustration (stock image). | Credit: (c) magann / stock.adobe.com

Scientists Discover Supernova That Outshines All Others

Apr. 13, 2020 — A supernova at least twice as bright and energetic, and likely much more massive than any yet recorded has been identified by an international team ... read more
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Planet Mercury illustration (stock image). | Credit: (c) Matthieu / stock.adobe.com

Mercury's Scorching Daytime Heat May Help It Make Its Own Ice at Caps

Mar. 13, 2020 — Despite Mercury's 400-degree Celsius daytime heat, there is ice at its caps. And now a study shows how that Vulcan scorch probably helps the planet closest to the sun make some of that ... read more
Neptune illustration (stock image). | Credit: (c) martynan / stock.adobe.com

New Minor Planets Found Beyond Neptune

Mar. 11, 2020 — Using data from the Dark Energy Survey, researchers have found and cataloged more than 300 minor planets beyond Neptune, including more than 100 new discoveries. This updated catalog of ... read more

Turbulent Convection at the Heart of Stellar Activity

Mar. 9, 2020 — Different stars can exhibit different levels of activity. The Sun's signs of solar activity are rather feeble on an astronomical scale. Other stars are up to ten times more active. While ... read more

Space Weather Model Gives Earlier Warning of Satellite-Killing Radiation Storms

Mar. 2, 2020 — A new machine-learning computer model accurately predicts damaging radiation storms caused by the Van Allen belts two days prior to the storm, the most advanced notice to date, according to a new ... read more

Two Stars Merged to Form Massive White Dwarf

Mar. 2, 2020 — A massive white dwarf star with a bizarre carbon-rich atmosphere could be two white dwarfs merged together, and only narrowly avoided ... read more

An Iron-Clad Asteroid

Feb. 28, 2020 — Mineralogists have discovered a previously unknown phenomenon in soil samples from the asteroid 'Itokawa': the surface of the celestial body is covered with tiny hair-shaped iron crystals. ... read more

Examining Ice Giants of Our Solar System

Feb. 28, 2020 — NASA's James Webb Space Telescope will unlock secrets of the atmospheres of Uranus and ... read more

Astronomy Student Discovers 17 New Planets, Including Earth-Sized World

Feb. 28, 2020 — An astronomy student has discovered 17 new planets, including a potentially habitable, Earth-sized world, by combing through data gathered by NASA's Kepler ... read more

New Patented Invention Stabilizes, Rotates Satellites

Feb. 26, 2020 — Many satellites are in space to take photos. But a vibrating satellite, like a camera in shaky hands, can't get a sharp image. Pointing it at a precise location to take a photo or perform ... 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

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

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

Citizen Scientists Discover Rare Cosmic Pairing

Feb. 12, 2020 — Citizen scientists have uncovered a bizarre pairing of two brown dwarfs, objects much smaller than the Sun that lack enough mass for nuclear fusion. The discovery, confirmed by astrophysicists, shows ... read more

Scientists Show Solar System Processes Control the Carbon Cycle Throughout Earth's History

Feb. 10, 2020 — This new work sheds fresh light on the complicated interplay of factors affecting global climate and the carbon cycle -- and on what transpired millions of years ago to spark two of the most ... 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

Clues to How Hazardous Space Radiation Begins

Feb. 3, 2020 — Scientists have unlocked one of the mysteries of how particles from flares on the sun accumulate at early stages in the energization of hazardous radiation that is harmful to astronauts, satellites ... read more
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