Astronomy

NASA-funded study explains Saturn’s epic tantrums

Astronomy Magazine - Tue, 04/14/2015 - 04:00
The tempests on Saturn, which can grow into bright bands that encircle the entire planet, are on a natural timer that is reset by each subsequent storm.
Categories: Astronomy

Mars has belts of glaciers consisting of frozen water

Astronomy Magazine - Mon, 04/13/2015 - 04:00
New studies have calculated the amount of water in these central latitudes, and it is the equivalent of all of Mars being covered by more than 1 meter of ice.
Categories: Astronomy

Dawn’s Ceres color map reveals surface diversity

Astronomy Magazine - Mon, 04/13/2015 - 04:00
Differences in morphology and color across the surface suggest the dwarf planet was once an active body.
Categories: Astronomy

Our Sun came late to the Milky Way's star birth party

Astronomy Magazine - Fri, 04/10/2015 - 04:00
Scientists have found that the while the Sun formed 5 billion years ago, the peak of star formation out galaxy likely occurred 5 billion years earlier.
Categories: Astronomy

A new view of the Moon's formation

Astronomy Magazine - Thu, 04/09/2015 - 04:00
A crucial difference in the “fingerprints” of Earth and the Moon confirms an explosive, interconnected past.
Categories: Astronomy

Complex organic molecules discovered in infant star system

Astronomy Magazine - Wed, 04/08/2015 - 04:00
The discovery reveals that the protoplanetary disk surrounding the million-year-old star MWC 480 is brimming with methyl cyanide.
Categories: Astronomy

Sun experiences seasonal changes, new research finds

Astronomy Magazine - Wed, 04/08/2015 - 04:00
This behavior affects the peaks and valleys in the approximately 11-year solar cycle, sometimes amplifying and sometimes weakening the solar storms that can buffet Earth’s atmosphere.
Categories: Astronomy

ALMA disentangles complex birth of giant stars

Astronomy Magazine - Tue, 04/07/2015 - 04:00
Observation results show the presence of multiple gas outflows from a protostar, indicating the possible existence of two newborn stars in the region.
Categories: Astronomy

ALMA sees Einstein ring in stunning image of lensed galaxy

Astronomy Magazine - Tue, 04/07/2015 - 04:00
Forged by the chance alignment of two distant galaxies, this striking ring-like structure is a rare and peculiar manifestation of gravitational lensing.
Categories: Astronomy

Supernova crime scene blames a single white dwarf

Astronomy Magazine - Mon, 04/06/2015 - 04:00
To understand how stars explode, astronomers are studying the debris in detail with sensitive instruments.
Categories: Astronomy

Curiosity sniffs out history of martian atmosphere

Astronomy Magazine - Mon, 04/06/2015 - 04:00
This winter, some members of the rover team were busy analyzing the martian atmosphere for xenon, a heavy noble gas.
Categories: Astronomy

Hubble finds phantom objects near dead quasars

Astronomy Magazine - Fri, 04/03/2015 - 04:00
The glowing filaments indicate that these active galaxy cores were once emitting more energy or changed very rapidly, which they weren’t supposed to do.
Categories: Astronomy

Simulations dispute dogma — rocky planets may orbit many double stars

Astronomy Magazine - Fri, 04/03/2015 - 04:00
Scientists believe non-gaseous planets are as prevalent around binaries as around single stars.
Categories: Astronomy

<i>Astronomy</i> announces 2014 Out-of-this-world Award winner

Astronomy Magazine - Fri, 04/03/2015 - 04:00
Out of more than 15 entries, the St. Louis Astronomical Society wins Astronomy’s annual award honoring astronomy outreach programs.
Categories: Astronomy

Astronomers watch unfolding saga of massive star formation

Astronomy Magazine - Thu, 04/02/2015 - 04:00
By studying a young star in images 18 years apart, scientists have been able to see exactly what their models predicted.
Categories: Astronomy

Astronomers solve decades-long mystery of the “lonely old stars”

Astronomy Magazine - Thu, 04/02/2015 - 04:00
A recent study shows that RR Lyrae stars may not be as lonely as previously thought.
Categories: Astronomy

Herschel and Planck find missing clue to galaxy cluster formation

Astronomy Magazine - Wed, 04/01/2015 - 04:00
Pinpointing when and how they formed should provide insight into the process of galaxy cluster evolution, including the role played by dark matter in shaping these cosmic metropolises.
Categories: Astronomy

Saturn spacecraft returns to the realm of icy moons

Astronomy Magazine - Wed, 04/01/2015 - 04:00
Cassini’s orbits had carried it high above the planet’s poles over the past two years, during which the mission’s ability to encounter the moons, apart from Titan, was limited.
Categories: Astronomy

Comet dust: Planet Mercury’s invisible paint

Astronomy Magazine - Tue, 03/31/2015 - 04:00
A new study suggests carbon from comets breaking apart acts like a stealth darkening agent on the innermost planet.
Categories: Astronomy

As stars form, magnetic fields influence regions big and small

Astronomy Magazine - Tue, 03/31/2015 - 04:00
Even though cosmic magnetic fields are much weaker than Earth's magnetic field, they have an important effect in regulating how stars form.
Categories: Astronomy

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