Category: Space

Image: Rover sunset

Image: Rover sunset

A rover crawls over rocky terrain on Spain’s Canary Island of Lanzarote, also known as the island of a thousand volcanoes. A drone follows it closely from the sky as the Sun sets.

Cassini image mosaic: A farewell to Saturn

Cassini image mosaic: A farewell to Saturn

In a fitting farewell to the planet that had been its home for over 13 years, the Cassini spacecraft took one last, lingering look at Saturn and its splendid rings during the final leg of its journey and snapped a series of images that has been assembled into a new mosaic. 

Unexpected atmospheric vortex behavior on Saturn’s moon Titan

Unexpected atmospheric vortex behavior on Saturn’s moon Titan

A new study led by a University of Bristol earth scientist has shown that recently reported unexpected behaviour on Titan, the largest moon of Saturn, is due to its unique atmospheric chemistry.

Ice shapes the landslide landscape on Mars

Ice shapes the landslide landscape on Mars

How good is your Martian geography? Does Valles Marineris ring a bell? This area is known for having landslides that are among the largest and longest in the entire solar system. They make the perfect object of study due to their steep collapse close to the scarp, extreme thinning, and long front runout. In a new research paper published in EPJ Plus, Fabio De Blasio and colleagues from Milano-Bicocca University, Italy, explain the extent to which ice may have been an important medium of lubrication for landslides on Mars. This can in turn help us understand the geomorphological history of the planet and the environment of deposition.

Researchers conduct chemical study of an old, metal-rich globular cluster

Researchers conduct chemical study of an old, metal-rich globular cluster

(Phys.org)—Chilean researchers have presented a chemical study of the old, metal-rich globular cluster NGC 5927. The new research determines abundances of 22 elements in seven giant stars of the cluster. The findings are available in a paper published November 8 on the arXiv pre-print repository.

Uncovering the origins of galaxies’ halos

Uncovering the origins of galaxies’ halos

Using the Subaru Telescope atop Maunakea, researchers have identified 11 dwarf galaxies and two star-containing halos in the outer region of a large spiral galaxy 25 million light-years away from Earth. The findings, published in The Astrophysical Journal, provide new insight into how these ‘tidal stellar streams’ form around galaxies.

Image: SDO spies broad coronal hole

Image: SDO spies broad coronal hole

A broad hole in the corona was the sun’s dominant feature November 7-9, 2017, as shown in this image from NASA’s Solar Dynamics Observatory. The hole is easily recognizable as the dark expanse across the top of the sun and extending down in each side.

Astronomers reveal nearby stars that are among the oldest in our galaxy

Astronomers reveal nearby stars that are among the oldest in our galaxy

Astronomers have discovered some of the oldest stars in our Milky Way galaxy by determining their locations and velocities, according to a study led by scientists at Georgia State University.

James Webb Space Telescope completes final cryogenic testing

James Webb Space Telescope completes final cryogenic testing

The vault-like, 40-foot diameter, 40-ton door of Chamber A at NASA’s Johnson Space Center in Houston was unsealed on November 18, signaling the end of cryogenic testing for NASA’s James Webb Space Telescope.

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