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Blog Archive


A Map of the Evening Star

Posted by Bill Dunford on 2013/08/20 01:27 CDT | 7 comments

Beautiful maps of a mysterious place.

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One Ocean World Among Many

Posted by Jim Bell on 2013/06/03 03:53 CDT | 6 comments

I'm absolutely floored when I stop to think that our beautiful blue ocean is only one of perhaps a half dozen or more oceans on other worlds in our solar system, and only one of probably millions (or more) oceans on other Earth-like planets in our galaxy. Oceans abound!

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One Day in the Solar System

Posted by Bill Dunford on 2013/04/08 09:12 CDT | 4 comments

Dispatches from five different worlds--all sent by robotic spacecraft on the same day.

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Messages of Wonder

Posted by Bill Dunford on 2013/03/18 04:22 CDT

Some lovely, rarely-seen images from the MESSENGER mission.

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Pretty picture: tessera terrain on Venus

Posted by Emily Lakdawalla on 2013/02/07 04:18 CST | 1 comments

In which I dive into the Magellan radar data set and come up with some images of an unusual and possibly unique solar system terrain: tessera.

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DPS 2012, Tuesday: Titan's surface

Posted by Emily Lakdawalla on 2012/10/17 10:22 CDT | 4 comments

Tuesday morning at the Division of Planetary Sciences meeting featured talks on the surface composition and landforms on Titan, including lakes and "hot cross buns."

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A couple of gems from the archives

Posted by Emily Lakdawalla on 2012/09/10 11:07 CDT | 2 comments

We're still working on migrating content from the old to the new website. This week, that means I am looking, one by one, through some great amateur-processed space images.

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Talking Climate With Bill Nye

Posted by Mat Kaplan on 2012/07/03 04:04 CDT | 2 comments

Talk about changing climates on this world and others brought 600 people to the Boulder Theater.

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Not Necessarily Your Last Venus Transit!

Posted by Jim Bell on 2012/06/04 11:24 CDT | 3 comments

Unless you are lucky and healthy enough to live for another 105 years, tomorrow will be your last chance to see a Venus transit from the surface of the Earth. But this need not be the last transit of Venus that you will ever see.

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Transit of Venus June 5: Why Should You Care and How to Observe

Posted by Bruce Betts on 2012/06/02 01:56 CDT | 2 comments

A rare astronomical event occurs June 5/6. Find out why you should care and how to observe it.

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Some Details About Transits of Venus

Posted by David Shortt on 2012/05/22 06:02 CDT | 2 comments

The upcoming rare transit of Venus is one step in a long dance among Earth, Venus and the Sun. Transits of Venus follow a peculiar pattern—two transits 8 years apart, then 105.5 years with no transits, then two transits 8 years apart, then 121.5 years with no transits, for a total cycle of 243 years—and thereby hangs a tale.

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Venus' very pretty craters

Posted by Emily Lakdawalla on 2012/03/05 04:15 CST | 1 comments

Each Magellan images of Venus seems to be a work of abstract art.

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Is there life on Venus? Not in reprocessed Venera-13 images.

Posted by Emily Lakdawalla on 2012/01/23 12:56 CST

At the end of last week, a rather sensational article appeared in both the Russian- and English-language sites of the Russian news agency, RIA Novosti. "Life Spotted on Venus - Russian Scientist," ran the English headline; a Google translation of the Russian one goes: "The Soviet probes may have photographed creatures on Venus."

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Russia's Venera-D mission (DPS-EPSC 2011)

Posted by Ted Stryk on 2011/10/05 10:29 CDT

During the afternoon poster session at the Division of Planetary Sciences / European Planetary Science Congress meeting, I had a long talk with Ludmila Zasova (IKI) about Russia's Venera-D mission to Venus.

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Scale solar system presentation slide, a provisional version for you to review

Posted by Emily Lakdawalla on 2011/09/15 02:18 CDT

I'm preparing a talk for the Pacific Astronomy and Telescope Show here in Pasadena on Sunday afternoon at 1:45. I have spent the morning putting together a slide that I have long wanted to have for presentations.

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Summer Sights of the Solar System

Posted by Ray Sanders on 2011/06/07 03:23 CDT

What can you expect to see if you look at the night sky this summer (2011)?

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Memo to early risers: Look up!

Posted by Emily Lakdawalla on 2011/05/02 11:46 CDT

There is a traffic jam of planets on the eastern horizon in the early morning right now and for the next several weeks, a prize for those of you who have to rise before dawn.

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The scale of our solar system

Posted by Emily Lakdawalla on 2011/05/02 11:26 CDT has taken advantage of the infinitely scrollable nature of Web pages to produce a really cool infographic on the scales of orbital distances in the solar system.

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365 Days of Astronomy Podcast: What's up in the second quarter of 2011

Posted by Emily Lakdawalla on 2011/04/07 11:16 CDT

Regular readers of this blog will find the content of today's 365 Days of Astronomy Podcast familiar, because it's an update on what the solar system exploration spacecraft are up to, based on my monthly "what's up" updates.

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LPSC 2011: Day 3: Moon, Mars, and Venus

Posted by Ted Stryk on 2011/03/10 11:11 CST

Wednesday morning included some interesting conversations. Notably, I spoke with Pamela Gay, who is responsible for the MoonZoo citizen science program and who is presently working on developing a site through which the public will be able to help search for potential Kuiper belt objects for the New Horizons mission to encounter after the Pluto flyby.

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