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Blog Archive

 

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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A solar eclipse - as viewed from the Moon

Posted by Emily Lakdawalla on 2012/05/28 11:19 CDT | 3 comments

A solar eclipse isn't just a spiffy sight to Earthlings; it looks pretty cool to lunar dwellers as well.

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Full Free Intro Astronomy Class Now Online

Posted by Bruce Betts on 2012/05/22 02:57 CDT | 1 comments

Bruce Betts' complete CSUDH Intro Astronomy and Planetary Science class is now available online. Find out how to access it, and go behind the scenes.

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More Evidence for Impact Origin for Colombia’s Vichada Structure

Posted by Bruce Betts on 2012/05/08 03:43 CDT

Evidence continues to pile up that the Rio Vichada structure in Colombia is indeed the largest impact structure in South America.

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Examining India's new RISAT 1 Earth observation satellite

Posted by Jason Davis on 2012/05/02 12:03 CDT | 1 comments

Last week, India launched RISAT 1, a new Earth-observing satellite. How does its synthetic aperture radar compare to that of Envisat, which has fallen silent?

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Guest Post: Neil Stewart: Big Bend designated International Dark Sky Park

Posted by Neil Patrick Stewart on 2012/02/16 02:17 CST

Last week, I received a�press release�with the headline "Big Bend National Park Designated As International Dark Sky Park." I asked my brother Neil to write something about this announcement for me.�

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Parallel planetary processes create semantic headaches

Posted by Emily Lakdawalla on 2012/01/26 03:55 CST

I ran into a semantic problem today: what to call the science of studying liquids on Titan?

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The state of Earth observation, January 2012

Posted by Jason Davis on 2012/01/09 05:54 CST

As of November 2011, the Earth Observing Handbook counts 109 active missions to study the Earth as a planet, with 112 more approved and planned for the future. Jason Davis provides an overview of key current and upcoming earth-observing missions.

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The 70-meter dishes of the Deep Space Network

Posted by Emily Lakdawalla on 2011/11/28 05:06 CST

I was inspired by my recent trip to Goldstone to put together this poster showing all three of the great 70-meter dishes of the Deep Space Network. There's one at each of the three complexes, at Goldstone, at Robledo (near Madrid, Spain), and at Tidbinbilla (near Canberra, Australia).

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Earth science's next big thing

Posted by Jason Davis on 2011/09/22 11:27 CDT

Meet the next big thing in NASA's mission to study planet Earth: NPP, the NPOESS Preparatory Project satellite.

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Video: Soaring over Earth

Posted by Emily Lakdawalla on 2011/09/19 12:46 CDT

This amazing video has already been posted by basically every other space blogger but I can't resist featuring it too, especially because I just realized that it was not made by NASA but instead by a member of the public digging into public NASA archives of image data -- yay for amateurs!

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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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Pretty picture: Earth and Moon from JunoCam

Posted by Emily Lakdawalla on 2011/08/30 11:53 CDT

It's always awe-inspiring to see our great world as just a tiny spot within vast space. The latest spacecraft to get such a view of Earth and the Moon is the Jupiter-bound Juno.

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NASA thinks Earth is a planet, too

Posted by Jason Davis on 2011/08/08 11:58 CDT

Although much of the publicity NASA receives focuses on planetary exploration, Earth observing satellites like Aqua keep tabs on our home planet's weather and climate.

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Origins 2011 conference, part 1

Posted by Frank Trixler on 2011/07/14 12:53 CDT

The Origins 2011 conference, which took place last week in Montpellier, France, was dedicated to the origins of life and its occurrence in the universe. At this meeting, scientists from very different disciplines came together to share their ideas.

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Citizen Science projects for Planetary Science: Get Involved! Do Science!

Posted by Mike Malaska on 2011/05/12 05:13 CDT

Citizen Science projects let volunteers easily contribute to active science programs. They're useful when there is so much data it overwhelms computing algorithms (if they exist) or the scientific research team attempting to process it.

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A rare direct hit from a meteorite

Posted by Emily Lakdawalla on 2011/05/09 12:21 CDT

Meteorites hit Earth all the time, but they almost never score direct hits on human-built structures (or humans, for that matter). Once in a while, though, direct hits do happen, and it looks like this recent event in Poland was the real thing.

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Familiar yet alien ancient views of Earth

Posted by Emily Lakdawalla on 2011/05/04 01:29 CDT

I have always found maps of the motions of Earth's continents fascinating, so it is really cool to see some gorgeous new reconstructions of what Earth would have looked like to spaceborne observers over the last 750 million years.

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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

Space.com 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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