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Sun News
June 19, 2020

Top Headlines
 

NASA's IBEX Charts 11 Years of Change at Boundary to Interstellar Space

Now, for the first time, scientists have used an entire solar cycle of data from NASA's IBEX spacecraft to study how the heliosphere changes over time. Solar cycles last roughly 11 years, as the Sun ...
There may be as many as one Earth-like planet for every five Sun-like stars in the Milky Way Galaxy, according to ...

Atomic Physics: Radiation Pressure With Recoil

Light exerts a certain amount of pressure onto a body: sun sails could thus power space probes in the future. However, when light particles (photons) hit an individual molecule and knock out an ...

Electrically Charged Dust Storms Drive Martian Chlorine Cycle

The group that previously studied Martian dust storms now shifts focus to the electrochemical processes resulting from dust storms that may power the movement of chlorine, which is ongoing on Mars ...
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Earlier Headlines
 

New Sunspots Potentially Herald Increased Solar Activity

On May 29, 2020, a family of sunspots -- dark spots that freckle the face of the Sun, representing areas of complex magnetic fields -- sported the biggest solar flare since October 2017. Although the ...

In Planet Formation, It's Location, Location, Location

Astronomers are finding that planets have a tough time forming in the rough-and-tumble central region of the massive, crowded star cluster Westerlund 2. Located 20,000 light-years away, Westerlund 2 ...

ESPRESSO Confirms the Presence of an Earth Around the Nearest Star

The existence of a planet the size of Earth around the closest star in the solar system, Proxima Centauri, has been confirmed by a team of scientists. The planet, Proxima b, has a mass of 1.17 earth ...

ALMA Spots Twinkling Heart of the Milky Way

Astronomers have found quasi-periodic flickers in millimeter-waves from the center of the Milky Way, Sagittarius (Sgr) A*. The team interpreted these blinks to be due to the rotation of radio spots ...

ATLAS Telescope Discovers First-of-Its-Kind Asteroid

An extraordinary asteroid with comet-like features has researchers ...

Exoplanet Climate 'Decoder' Aids Search for Life

After examining a dozen types of suns and a roster of planet surfaces, astronomers have developed a practical model - an environmental color ''decoder'' - to tease out climate ...

TRAPPIST-1 Planetary Orbits Not Misaligned

Astronomers have determined that the Earth-like planets of the TRAPPIST-1 system are not significantly misaligned with the rotation of the star. This is an important result for understanding the ...

New Comet Discovered by Solar Observatory

In late May and early June, Earthlings may be able to glimpse Comet SWAN. The comet is currently faintly visible to the unaided eye in the Southern Hemisphere just before sunrise. The new comet was ...

Scientists Reveal Solar System's Oldest Molecular Fluids Could Hold the Key to Early Life

Scientists have analyzed a meteorite atom by atom to reveal the chemistry and acidity of the earliest fluids in the solar system. By finding evidence of sodium-rich alkaline water in the Tagish Lake ...

Hayabusa2 Reveals More Secrets from Ryugu

In February and July of 2019, the Hayabusa2 spacecraft briefly touched down on the surface of near-Earth asteroid Ryugu. The readings it took with various instruments at those times have given ...

Sun Is Less Active Than Similar Stars

By cosmic standards the sun is extraordinarily monotonous. For the first time, the scientists compared the sun with hundreds of other stars with similar rotation periods. Most displayed much stronger ...

Scientists have finally figured out the precise timing of a complicated dance between two enormous black holes, revealing hidden details about the physical characteristics of these mysterious cosmic ...

Exoplanet Apparently Disappears in Latest Hubble Observations

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 interpretation: instead ...

ALMA Reveals Unusual Composition of Interstellar Comet 2I/Borisov

A galactic visitor entered our solar system last year -- interstellar comet 2I/Borisov. When astronomers pointed the Atacama Large Millimeter/submillimeter Array (ALMA) toward the comet on Dec. ...

Why the Solar Wind Is Hotter Than Expected

When the sun expels plasma, the solar wind cools as it expands through space -- but not as much as the laws of physics would predict. Physicists now know the ...

New Formation Theory Explains the Mysterious Interstellar Object 'Oumuamua

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. How was it formed, ...

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

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 most of the ...

Scientists Discover Supernova That Outshines All Others

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 of ...

Piercing the Dark Birthplaces of Massive Stars

High-mass stars, which are eight or more times the mass of our Sun, live hard and die young. They often end their short lives in violent explosions called supernovas, but their births are much more ...

New Info on Interstellar Magnetic Field in Solar Neighborhood

An international research team has mapped the interstellar magnetic field structure and interstellar matter distribution in the solar ...

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