Enjoying EarthSky? Subscribe.

125,515 subscribers and counting ...


Posts by Andrew R. Brown

ceres-12-1-2014-via-Dawn-cp
Science Wire | Dec 06, 2014

As Dawn approaches, new image of dwarf planet Ceres

1 Ceres is the largest and most massive object in the main asteroid belt, between the orbits of Mars and Jupiter. Dawn will reach it in March, 2015.

Ultraviolet image of Comet Siding Spring via MAVEN
Blogs | Dec 01, 2014

What happened when the comet swept past Mars

The story you’ve been waiting for. The spacecraft images are fascinating, and the details of Comet Siding Spring’s exceedingly close pass of Mars might surprise you.

mercury-9-15-2014-MESSENGER-cp
Today's Image | Nov 21, 2014

One of the highest resolution images of Mercury, ever

MESSENGER spacecraft’s fuel is nearly depleted. It will impact Mercury in March 2015. For now, space engineers are getting some of the best-ever Mercury pics.

philae-comet-1st-image-cp
Science Wire | Nov 13, 2014

Rosetta mission places Philae lander on its comet

As of Thursday morning, November 13 – after initially failing to attach to the surface – Philae is now stable and is sending back pictures.

Wow.  Does it get any better than this?
Science Wire | Nov 10, 2014

Three cool images of a comet’s night side

The dayside images of Rosetta’s comet have been fantastic. Now, thanks to backscatter of sunlight from the comet’s coma, we’re seeing amazing nightside images.

View larger. |  Chinese Chang'e 5 test vehicle captured this extraordinary view of Earth over the far side of the moon on  October 28, 2014.
Science Wire | Nov 01, 2014

Extraordinary shot of moon’s far side and Earth, from Chang’e

China’s Chang’e 5 spacecraft rounded the lunar far side earlier this week, on the return leg of its journey to the moon. It’s now safely back on Earth.

Earth and moon from Mercury's orbit
Science Wire | Oct 11, 2014

MESSENGER spacecraft sees lunar eclipse from Mercury

The MESSENGER spacecraft, now orbiting Mercury, caught the images to make this movie of last Wednesday’s lunar eclipse. See Earth and moon from Mercury!

Very closeup look at planet Mercury.  Image obtained on August 3, 2014, via NASA / JHU / APL MESSENGER spacecraft.
Today's Image | Oct 09, 2014

One of the sharpest images ever obtained of Mercury

This unnamed crater is only 1.5 kilometers / 0.93 miles wide. It’s made more visible by the deep shadows cast on a Mercury afternoon.

mars-ISRO-9-28-2014-cp
Science Wire | Sep 29, 2014

Mars and its atmosphere, seen by MOM spacecraft

Two early images from India’s MOM spacecraft. One shows an edge of Mars, with the planet’s tenuous atmosphere above. The other shows the whole planet. Beautiful!

Hydra1-2-July-2015-cp
Science Wire | Sep 17, 2014

Racing toward Pluto, spacecraft spies tiny moon Hydra

The New Horizons spacecraft – due to encounter Pluto in July 2015 – has spotted Pluto’s small, faint, outermost known moon, called Hydra.