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The solar system at 1 kilometer per pixel: Can you identify these worlds? The answers

Posted by Emily Lakdawalla on 2015/09/30 10:00 CDT | 13 comments

Last Friday I posted an image containing 18 samples of terrain, all shown at the same scale. Were you able to figure out which square was which? Here are the answers.

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Mars Week Continues: We've Released Our 'Humans Orbiting Mars' Workshop Report

Posted by Casey Dreier on 2015/09/29 04:08 CDT | 2 comments

Learn all about a sustainable, affordable path to get humans to the Red Planet—a path that goes through Mars orbit and Phobos.

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NASA's Mars Announcement: Present-day transient flows of briny water on steep slopes

Posted by Emily Lakdawalla on 2015/09/28 02:26 CDT | 25 comments

NASA held a press briefing today to publicize a cool incremental result in the story of present-day liquid water on Mars. How big a deal is this story? Was all the pre-announcement hype justified? Is this just NASA discovering water on Mars for the zillionth time? What does this mean for things many space fans care about: life on Mars or future human exploration?

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Dawn Journal: 8 Years in Space

Posted by Marc Rayman on 2015/09/28 07:49 CDT | 18 comments

On the 8th anniversary of the launch of the Dawn spacecraft, Chief Engineer and Mission Director Marc Rayman gives his annual summary of Dawn’s progress on its interplanetary travels.

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The solar system at 1 kilometer per pixel: Can you identify these worlds?

Posted by Emily Lakdawalla on 2015/09/25 02:27 CDT | 13 comments

A look at the surfaces of 18 worlds in our solar system, all at the same scale.

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LightSail Gets Backup Burn Wire for 2016 Mission

Posted by Jason Davis on 2015/09/25 04:30 CDT | 3 comments

LightSail's burn wire, the mission-critical component responsible for releasing the spacecraft's solar panels, will get a backup ahead of next year's solar sailing mission.

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Lose yourself in this high-resolution portrait of Pluto

Posted by Emily Lakdawalla on 2015/09/24 04:45 CDT | 13 comments

Enlarge this image to its full 8000-pixel-square glory and lose yourself in it.

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Mega Hemorrhaging Total Lunar Eclipse Sept 27-28, 2015

Posted by Bruce Betts on 2015/09/24 08:25 CDT | 1 comments

There will be a spectacular total lunar eclipse on the night of Sept. 27-28, 2015, a newly dubbed Mega Hemorrhaging Eclipse. Here is info on what lunar eclipses are and how to observe the eclipse.

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Towards a Jupiter Weather Forecast

Posted by Leigh Fletcher on 2015/09/24 08:04 CDT

Trying to keep track of the ever-changing face of Jupiter is a pretty big challenge—its a dynamic world that can fascinate and surprise every time we turn our telescopes towards it.

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Checking in on Uranus and Neptune, September 2015 edition

Posted by Emily Lakdawalla on 2015/09/22 01:28 CDT | 5 comments

There are no spacecraft at Uranus or Neptune, and there haven't been for 30 and 25 years, respectively. So we depend on Earth-based astronomers to monitor them, including Damian Peach.

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Xtronaut – A New Approach to Education and Public Outreach

Posted by Dante Lauretta on 2015/09/22 09:27 CDT

Historically, NASA missions set aside a portion of their budgets for education and public outreach, or EPO. However, the OSIRIS-REx EPO budget got deleted in 2013 as part of a broader federal policy change. Dante Lauretta decided to make a run at a private company to recover the lost OSIRIS-REx EPO program – and Xtronaut was born!

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How to Download Weather Satellite Images from Space

Posted by Jason Davis on 2015/09/21 10:46 CDT | 3 comments

For less than $50, you can download images from NOAA satellites using your laptop and a small radio antenna.

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A Free, Online Course Exploring the Science of Phobos and Deimos

Posted by Casey Dreier on 2015/09/19 04:23 CDT | 3 comments

Impress your friends and wow your colleagues by learning all about Mars's moons.

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Curiosity update, sols 1073-1107: Driving toward dunes, distracted by haloes

Posted by Emily Lakdawalla on 2015/09/18 07:40 CDT | 1 comments

Since I last checked in with Curiosity, the rover has been steadily driving southward, heading directly toward the Bagnold dune field. They are looking for a place to drill into the Stimson sandstone unit, but have been distracted by intriguing pale haloes around frock fractures. Despite a rough road, the wheels are not showing significant increase in damage.

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Spectacular New Horizons photo of Pluto's hazes and mountains: How it was made

Posted by Emily Lakdawalla on 2015/09/17 04:04 CDT | 11 comments

Today, New Horizons released a stunning new image of Pluto's backlit mountains and hazes. I explain how the image was taken with its Ralph Multispectral Visible Imaging Camera.

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Searching for the Origins of Earth’s Water

Posted by Van Kane on 2015/09/17 10:03 CDT | 1 comments

Three recently proposed low-cost space missions all aim to answer the same question: Where did Earth's abundant water come from?

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Orion Enters Fabrication Phase, but Possible Launch Slip Looms

Posted by Jason Davis on 2015/09/16 03:03 CDT

NASA's Orion spacecraft has officially moved from preliminary design to fabrication, but the agency says the first crewed flight of the vehicle could slip two years, from 2021 to 2023.

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Blue Origin to Launch Rockets from Cape Canaveral

Posted by Jason Davis on 2015/09/16 10:04 CDT

Spaceflight company Blue Origin plans to launch its orbital rocket from Cape Canaveral, Florida, the company revealed Tuesday.

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Roundup of the September 11, 2015 New Horizons raw image release

Posted by Emily Lakdawalla on 2015/09/15 04:47 CDT | 4 comments

Last Friday the Internet received its first post-encounter pile of goodies from the New Horizons flyby of the Pluto system.

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Finding the Surveyor retro-rockets on the Moon

Posted by Phil Stooke on 2015/09/15 01:02 CDT | 5 comments

Planetary scientist Phil Stooke may have found the retro-rockets from NASA's Lunar Surveyor missions, sent to the Moon in preparation for Apollo.

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