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Blog Archive


New Horizons releases new color pictures of Charon, high-resolution lookback photo of Pluto

Posted by Emily Lakdawalla on 2015/10/02 06:05 CDT | 9 comments

Now that New Horizons is regularly sending back data, the mission is settling into a routine of releasing a set of captioned images on Thursdays, followed by raw LORRI images on Friday. The Thursday releases give us the opportunity to see lovely color data from the spacecraft's Ralph MVIC instrument. This week, the newly available color data set covered Charon.

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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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Three space fan visualizations of New Horizons' Pluto-Charon flyby

Posted by Emily Lakdawalla on 2015/08/25 01:42 CDT | 4 comments

It has been a difficult wait for new New Horizons images, but the wait is almost over; Alan Stern announced at today's Outer Planets Advisory Group meeting that image downlink will resume September 5. In the meantime, a few space fans are making the most of the small amount of data that has been returned to date.

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Looking back at Pluto

Posted by Emily Lakdawalla on 2015/07/24 07:12 CDT | 17 comments

I don't think anyone was prepared for the beauty -- or the instant scientific discoveries -- in this "lookback" image of Pluto, captured by New Horizons shortly after it flew by.

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What in the world(s) are tholins?

Posted by Sarah Hörst on 2015/07/22 07:00 CDT | 9 comments

The question “why is Pluto red” has been answered with a word that most people have never heard of and perhaps even fewer people can actually define—“tholins”.

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New Horizons encounter plus one week: Weird and wonderful images from the Pluto system

Posted by Emily Lakdawalla on 2015/07/21 06:39 CDT | 23 comments

So many new image goodies from the Pluto system!

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Latest New Horizons picture of Charon: oddly familiar

Posted by Emily Lakdawalla on 2015/07/16 02:45 CDT | 14 comments

The New Horizons team released one more picture from Tuesday's encounter, one of three high-resolution images from a mosaic that crossed the center of Charon's disk, and it took me a while to figure out what it reminded me of.

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First look at New Horizons' Pluto and Charon images: "baffling in a very interesting and wonderful way"

Posted by Emily Lakdawalla on 2015/07/15 04:42 CDT | 33 comments

Today's press briefing at the Applied Physics Laboratory in California was preceded by hours of New Horizons team members cryptically dropping hints on Twitter at astonishing details in the seven images downlinked since the flyby. The images are, in fact, astonishing, as well as beautiful, surprising, and puzzling.

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The not-planets

Posted by Emily Lakdawalla on 2015/07/14 12:48 CDT | 37 comments

Now that I have a reasonable-resolution global color view of Pluto, I can drop it into one of my trademark scale image montages, to show you how it fits in with the rest of the similar-sized worlds in the solar system: the major moons and the biggest asteroids.

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Pluto minus one day: Very first New Horizons Pluto encounter science results

Posted by Emily Lakdawalla on 2015/07/13 12:16 CDT | 15 comments

At a press briefing this morning, New Horizons principal investigator Alan Stern divulged some extremely preliminary first science results from the New Horizons Pluto encounter. Science results include Pluto's diameter and information on its surface composition and atmospheric escape.

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Zooming in to Pluto and Charon

Posted by Emily Lakdawalla on 2015/07/12 07:31 CDT | 9 comments

In the span of a few days, Pluto and Charon have turned from spots into worlds. The latest images from New Horizons are showing Pluto and Charon to have unique faces, distinct from any other icy worlds in the solar system.

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Pluto's progression: Third-to-last Pluto day before encounter

Posted by Emily Lakdawalla on 2015/07/03 08:49 CDT | 6 comments

Only two days remain until New Horizons' historic encounter with Pluto....two Pluto days, that is. Pluto and Charon rotate together once every 6.4 days, so as New Horizons has approached the pair over the last week, we've been treated to one stately progression of all of their longitudes.

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What to expect when you're expecting a flyby: Planning your July around New Horizons' Pluto Pictures (version 2)

Posted by Emily Lakdawalla on 2015/06/24 07:57 CDT | 22 comments

Three months ago, I posted an article explaining what to expect during the flyby. This is a revised version of the same post, with some errors corrected, the expected sizes of Nix and Hydra updated, and times of press briefings added.

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New Horizons update: Resolving features on Charon and seeing in color

Posted by Emily Lakdawalla on 2015/06/23 11:02 CDT | 13 comments

Only about three weeks remain until the flyby — it's getting really close! I almost don't want the anticipation to end. New Horizons is now getting color images and is seeing features on Charon. Deep searches have yielded no new moons.

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Pluto and Charon spin among the stars

Posted by Emily Lakdawalla on 2015/06/16 08:10 CDT | 7 comments

I've spent a happy couple of days playing with raw data downloaded from the New Horizons website, making animations of the dances of Pluto and Charon.

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Telling Pluto’s Story, One Fragment at a Time

Posted by Mark Showalter on 2015/06/11 04:29 CDT | 2 comments

Mark Showalter explains how determining basic information about Pluto's small moons—Kerberos and Styx—is more complicated than initially thought.

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An enigmatic line across Pluto: Plutonian canali!?

Posted by Emily Lakdawalla on 2015/06/09 07:03 CDT | 17 comments

Pluto and Charon are growing larger in New Horizons' forward view, beginning to develop distinct personalities. A version of recent New Horizons photos processed by Björn Jónsson reveals an enigmatic dark line. Our maps of Pluto's surface are now as good as our maps of Mars and Venus, circa 1900!

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Two Months from Pluto!

Posted by Paul Schenk on 2015/05/19 06:12 CDT | 5 comments

Two months. Eight and half weeks. 58 days. It's a concept almost too difficult to grasp: we are on Pluto's doorstep.

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New Horizons spots Kerberos and Styx

Posted by Emily Lakdawalla on 2015/05/12 05:56 CDT | 3 comments

New Horizons has now spotted every one of Pluto's satellites...all the ones we know about, that is.

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New Horizons sees surface features on Pluto, begins raw image release

Posted by Emily Lakdawalla on 2015/04/29 08:06 CDT | 11 comments

Today the New Horizons team released a new animation of images taken on approach to Pluto. The animation clearly shows how Pluto wobbles around the Pluto-Charon barycenter. It also shows something more exciting to the scientists: variations in brightness across the surface of Pluto. They also began releasing raw images to the Internet.

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