Astronomy

A radioactive metal may stifle the formation of water worlds

Astronomy Magazine - Mon, 02/11/2019 - 05:00
Because it can dry out the building blocks of planets before they merge, radioactive aluminum may play a major role in determining whether a world ends up wet or not.
Categories: Astronomy

The Sky This Week from February 8 to 17

Astronomy Magazine - Fri, 02/08/2019 - 05:00

Two nice planetary conjunctions take place this week, one in the evening sky and the other before dawn, while the Moon remains a star attraction all week.

Categories: Astronomy

Moonlight guides dung beetle activity at night

Astronomy Magazine - Fri, 02/08/2019 - 05:00
Insects can be celestial navigators, too - and some even rely on specific properties of light to find which way to go.
Categories: Astronomy

NASA honors fallen astronauts with Day of Remembrance

Astronomy Magazine - Thu, 02/07/2019 - 05:00
This year on February 7, the United States will recognize astronauts who lost their lives in the pursuit of spaceflight with an official Day of Remembrance.
Categories: Astronomy

The first CubeSats ever to visit Mars have gone silent

Astronomy Magazine - Wed, 02/06/2019 - 05:00
The twin MarCO CubeSats that accompanied InSight to the Red Planet proved these tiny satellites have uses beyond Earth orbit. Now, their mission has ended.
Categories: Astronomy

MUSE spots a jet bursting from an infant star

Astronomy Magazine - Wed, 02/06/2019 - 05:00
Found within a star-forming region in the Large Magellanic Cloud, the new observation marks the first time the jet of a young and massive extragalactic star has been captured in visible light.
Categories: Astronomy

Watch InSight's busy first months on Mars

Astronomy Magazine - Wed, 02/06/2019 - 05:00
From testing its cameras to placing its seismic instrument, NASA's InSight lander is wasting no time making itself right at home on the Red Planet.
Categories: Astronomy

Flaring star pushes out "snow line," unlocking previously frozen organic molecules

Astronomy Magazine - Wed, 02/06/2019 - 05:00
Organic molecules linger throughout the cosmos, but for astronomers to study them around a star, they must be not too close, not too far.
Categories: Astronomy

America once considered nuking the Moon, but they settled on smashing things into it instead

Astronomy Magazine - Wed, 02/06/2019 - 05:00
Though nuking the Moon makes little sense, less dramatic lunar impact missions have taught researchers a great deal about our nearest neighbor.
Categories: Astronomy

Iconic NASA missions that improved with age

Astronomy Magazine - Tue, 02/05/2019 - 05:00
Whether studying Mars, distant exoplanets, or the cosmos as a whole, these NASA missions not only did their jobs, they excelled at them.
Categories: Astronomy

Charon’s icy surface erupted from an underground ocean

Astronomy Magazine - Tue, 02/05/2019 - 05:00
But the mystery of how the ocean escaped from under a frozen surface is still being explored.
Categories: Astronomy

The ESA will soon explore the smallest asteroid yet, after NASA rams a probe into it

Astronomy Magazine - Tue, 02/05/2019 - 05:00
Get ready Didymoon and Didymos. DART and Hera are coming for you.
Categories: Astronomy

Hubble accidentally discovers an ancient, nearby dwarf galaxy

Astronomy Magazine - Mon, 02/04/2019 - 05:00
Though the tiny galaxy Bedin 1 sits just 30 million light-years away, it appears to have lived in seclusion for most of its life.
Categories: Astronomy

Meet Henrietta Leavitt, the woman who gave us a universal ruler

Astronomy Magazine - Mon, 02/04/2019 - 05:00
Cepheid variable stars act as signposts to help astronomers build a 3D picture of the sky. Here's the story of the woman who unlocked these stars' secrets.
Categories: Astronomy

Galactic twist: The Milky Way's disk is warped

Astronomy Magazine - Mon, 02/04/2019 - 05:00
By mapping the distances to over 1,000 pulsating stars, astronomers have discovered a distinct kink in the Milky Way's disk.
Categories: Astronomy

Chinese Chang'e-4 rover wakes up, does science, goes back to sleep

Astronomy Magazine - Mon, 02/04/2019 - 05:00
Following a two-week hiatus, more results are coming from the far side of the Moon.
Categories: Astronomy

Researchers develop a steam-powered spacecraft that can hop between asteroids

Astronomy Magazine - Fri, 02/01/2019 - 05:00
By mining asteroids to obtain its fuel, the World Is Not Enough (WINE) spacecraft could theoretically explore our solar system forever.
Categories: Astronomy

Astronomers map a black hole using "echoes" of light

Astronomy Magazine - Fri, 02/01/2019 - 05:00
The results offer the first evidence that the hot cloud of particles around a black hole shrinks following an outburst of activity.
Categories: Astronomy

The Sky This Week from February 1 to 10

Astronomy Magazine - Fri, 02/01/2019 - 05:00

February evenings feature many of the sky's brightest stars and clusters, while February mornings host brilliant Jupiter and Venus, the latter of which passes near several deep-sky wonders in the Milky Way.

Categories: Astronomy

NASA's Mars Curiosity rover finds clues about mysterious Mount Sharp

Astronomy Magazine - Fri, 02/01/2019 - 05:00
By tweaking one of Curiosity's navigational tools, scientists have analyzed the density of the rock beneath the rover, finding it's more porous than previously thought.
Categories: Astronomy

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