Enjoying EarthSky? Subscribe.

143,658 subscribers and counting ...

Posts by Andrew R. Brown

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!

View larger. | Series of 19 images captured by Rosetta’s OSIRIS camera as the Philae lander descended to the surface of Comet 67P/Churyumov–Gerasimenko on 12 November 2014. The timestamp marked on the images are in GMT (onboard spacecraft time).  Image via ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA
Science Wire | Feb 03, 2015

Absolutely awesome images of comet lander Philae

ESA hopes communications with the Philae comet lander can be regained by May or June. Wait you’re waiting, check out these stunning newly released images!

Science Wire | Jan 26, 2015

Seasons are changing on Rosetta’s comet

Two photos from the Rosetta spacecraft – one from last November, and one from a few days ago – show a comet’s seasons changing.

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.

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.

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.