Help Shape the Future of Space Exploration

Join The Planetary Society Now  arrow.png

Join our eNewsletter for updates & action alerts

    Please leave this field empty
Blogs

Blog Archive

 

Planetary discovery over the past quarter century

Posted by Steven Hauck on 2016/12/20 10:01 CST

2016 marks the 25th anniversary of the creation of what has become one of the primary venues for the publication of research in planetary science: the Journal of Geophysical Research: Planets. This occasion is a good opportunity to look back at what we have learned in this era of expanded exploration and to try to take a peek at the future.

Read More »

My ever-popular asteroids-and-comets montage, now in color, with bonus Toutatis

Posted by Emily Lakdawalla on 2012/12/18 04:26 CST | 9 comments

My collage of all the asteroids and comets visited by spacecraft is probably the single most popular image I have ever posted on this blog. I've now updated it to be in color and to include Toutatis.

Read More »

Five close-approach images of Hartley 2 by Deep Impact, with commentary

Posted by Emily Lakdawalla on 2010/11/04 10:58 CDT

Here's the five close-approach images of Hartley 2 captured today, November 4, 2010, by the Deep Impact spacecraft, collected into one file. Boy, do these images reward close examination!

Read More »

Arecibo images show Hartley 2 is elongated

Posted by Emily Lakdawalla on 2010/10/29 11:33 CDT

Comet Hartley 2, the target for Deep Impact's close flyby (now just six days away!) made its closest approach to Earth on October 20, at a distance of 17.7 million kilometers.

Read More »

Facebook Twitter Email RSS AddThis

Help Us Go Farther

The Planetary Fund

Help us accelerate progress in our four core enterprises: Robotic Space Exploration, Human Space Exploration, Planetary Defense, and The Search for Life.

Donate

Featured Images

Daphnis in the Keeler Gap
Mars 2020 rover artist's concept
Cyclone Global Navigation Satellite System (CYGNSS)
Saturn ring particles
More Images

Featured Video

The Planetary Post - 2016: A Magnificent Year for Space Exploration

Watch Now

Space in Images

Pretty pictures and
awe-inspiring science.

See More

Join The Planetary Society

Let’s explore the cosmos together!

Become a Member

Connect With Us

Facebook, Twitter, YouTube and more…
Continue the conversation with our online community!