Enjoying EarthSky? Subscribe.

163,623 subscribers and counting ...


Posts by Andrew R. Brown

pluto-heart-enhanced-cp
Science Wire | Jul 27, 2015

Latest images of Pluto’s flowing ice

Latest images from NASA’s July 14, 2015 flyby of Pluto by the New Horizons spacecraft, showing evidence of an active surface on Pluto with flowing nitrogen ice.

View larger. |
Today's Image | Jul 25, 2015

First-ever look at Pluto’s night side

New image just released! A stunning snapshot of Pluto’s night side. The halo is from sunlight shining through the dwarf planet’s hazy atmosphere.

A second range of ice mountains has been discovered on Pluto.  Image via New Horizons spacecraft as it passed near on July 14, 2015.
Science Wire | Jul 22, 2015

More ice mountains in Pluto’s heart

A second range of ice mountains has been found on Pluto, in images from New Horizons.

View larger. | Pluto moons Nix and Hydra, imaged by New Horizons spacecraft on July 14, 2015.
Science Wire | Jul 22, 2015

Closest views yet of Nix and Hydra

Pluto has five known moons, and it’s a bit surprising that New Horizons hasn’t found any new ones yet. Newly released images show small moons Nix and Hydra.

hyperion-moon-saturn-5-31-2015-cp
Science Wire | Jun 02, 2015

First images from Sunday’s last close sweep of Hyperion

The Cassini mission to Saturn – which has brought us so many breathtaking images – took a last close look at Saturn’s moon Hyperion on Sunday.

mars-sunset-Gale-Crater-4-15-2015
Science Wire | May 10, 2015

You are there! Sunset on Mars

A beautiful new timelapse showing sunset on Mars in mid-April, 2015, from the Mars Curiosity rover.

MESSENGER will crash within the Shakespeare quadrangle, in Mercury's N. Hemisphere.
Science Wire | Apr 30, 2015

MESSENGER ends mission, crashes into Mercury

Mission control confirmed end of operations at 3:40 p.m. EDT (1934 UTC), when no signal was detected by NASA’s Deep Space Network station at Goldstone.

Saturn's moon Iapetus, imaged by the Cassini spacecraft on March 27, 2015.  Image via NASA / JPL / ESA Cassini spacecraft.
Today's Image | Apr 08, 2015

Saturn’s two-faced moon Iapetus

This isn’t the day and night side of Iapetus. It’s the day side, a nearly full-on view. The two sides of this moon of Saturn have very different brightnesses.

ceres-quad-names-March-2015-cp
Science Wire | Mar 24, 2015

Dwarf planet Ceres gets place names

First topographical map of Ceres with named quadrangles. Scientists announced the names at last week’s Lunar and Planetary Science Conference.

Image via NASA / JHU / APL MESSENGER spacecraft.
Today's Image | Feb 13, 2015

Amazing Mercury close up

The valiant MESSENGER spacecraft made Earth, Venus and Mercury flybys before its Mercury orbit four years ago. Soon it’ll crash into Mercury, but for now … new images!