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Emily's Blog

Snapshots from Space

by Emily Lakdawalla

Follow the thrilling adventures of planetary missions, past and present, and see the stunningly beautiful photos that they return from space!

Emily Lakdawalla

Latest Blog Posts:

Adding Churyumov-Gerasimenko to my scale comparison of comets and asteroids

Posted by Emily Lakdawalla on 2015/03/13 05:47 CDT | 4 comments

Having found a color photo of the comet, I finally added Churyumov-Gerasimenko to my scale comparison of comets and asteroids visited by spacecraft.

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If it's March, it must be LPSC

Posted by Emily Lakdawalla on 2015/03/13 01:09 CDT | 2 comments

Next week is the 46th Lunar and Planetary Science Conference (LPSC), and Emily Lakdawalla will be attending to tweet and blog about news from Rosetta; Curiosity; MESSENGER; GRAIL; Chang'e 3; Dawn; New Horizons; Cassini; and more.

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An internal ocean on Ganymede: Hooray for consistency with previous results!

Posted by Emily Lakdawalla on 2015/03/12 07:25 CDT | 8 comments

A newly published paper confirms a subsurface ocean at Ganymede. An ocean there was already suspected from its magnetic field and predicted by geophysics; new Hubble data confirms it, and even says it is in the same place we thought it was before. Such consistency is rare enough in planetary science to be worth celebration.

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What to expect when you're expecting a flyby: Planning your July around New Horizons' Pluto pictures

Posted by Emily Lakdawalla on 2015/03/10 07:06 CDT | 18 comments

As New Horizons approaches Pluto, when will the images get good? In this explainer, I tell you what images will be coming down from Pluto, when. Mark your calendars!

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Mini mission updates: Dawn in orbit; Curiosity short circuit; Rosetta image release; Hayabusa2 in cruise phase; and more

Posted by Emily Lakdawalla on 2015/03/06 11:42 CST | 1 comment

Dawn has successfully entered orbit at Ceres, becoming the first mission to orbit a dwarf planet and the first to orbit two different bodies beyond Earth. I also have updates on Curiosity, Rosetta, Mars Express, Hayabusa2, the Chang'e program, InSIGHT, and OSIRIS-REx.

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Mars Orbiter Mission Methane Sensor for Mars is at work

Posted by Emily Lakdawalla on 2015/03/04 10:50 CST | 5 comments

After several months of near-silence, ISRO's Mars Orbiter Mission has released on Facebook the first data product from its Methane Sensor For Mars. Don't get too excited about methane yet: there is no positive or negative detection. The news here is that the Methane Sensor for Mars is working, systematically gathering data. They also released several new photos of Mars.

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Watch Ceres rotate: A guide to interpreting Dawn's images

Posted by Emily Lakdawalla on 2015/03/03 02:55 CST | 14 comments

NASA held a press briefing on the Dawn mission yesterday, sharing some new images and early interpretations of them. I see lots of things that intrigue me, and I'm looking forward to Dawn investigating them in more detail. I invite you to check out these photos yourself, and offer you some guidance on things to look for.

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At last, Ceres is a geological world

Posted by Emily Lakdawalla on 2015/02/25 09:42 CST | 25 comments

I've been resisting all urges to speculate on what kinds of geological features are present on Ceres, until now. Finally, Dawn has gotten close enough that the pictures it has returned show geology: bright spots, flat-floored craters, and enigmatic grooves.

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Curiosity update, sols 864-895: Drilling at Pink Cliffs

Posted by Emily Lakdawalla on 2015/02/20 06:59 CST

Curiosity's second drilling campaign at the foot of Mount Sharp is complete. The rover spent about a month near Pink Cliffs, an area at the base of the Pahrump Hills outcrop, drilling and documenting a site named Mojave, where lighter-colored crystals were scattered through a very fine-grained rock.

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New Horizons spots Nix and Hydra circling Pluto and Charon

Posted by Emily Lakdawalla on 2015/02/18 11:43 CST | 4 comments

A series of images just sent to Earth from New Horizons clearly shows Pluto's moons Nix and Hydra orbiting the Pluto-Charon binary.

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