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Blog Archive

 

Cassini's 'Grand Finale' Portrait of Saturn

Ian Regan • May 16, 2017

Amateur image processor Ian Regan shares a stunning mosaic of Saturn in all its ringed glory.

Our asteroid hunters are trying to save the world. Here’s what they’ve been up to

Jason Davis • April 17, 2017

Here are some recent reports from our NEO Shoemaker Grant program asteroid observers, who are quite literally trying to save the world.

New Gems from the Moon

Bill Dunford • October 10, 2016

More than seven years after the end of its mission, JAXA has released the entire data set from Kaguya's HDTV cameras.

MOM's Second Anniversary at Mars

Sandhya Ramesh • October 05, 2016

On Mars Orbiter Mission’s second anniversary of Mars arrival, ISRO has (finally!) made available to the public data from its first year in orbit.

Synthesizing DSCOVR-like Images Using Atmospheric and Geophysical Data

Steve Albers • April 20, 2016

Why does our planet look the way it does from space? How does light interacting with land, clouds, water, snow, ice, gases, and various aerosols all come together? One way to learn the answer is to try and synthesize DSCOVR's view from various "building blocks" of geophysical and atmospheric data.

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

Emily Lakdawalla • June 23, 2015

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.

New views of three worlds: Ceres, Pluto, and Charon

Emily Lakdawalla • April 16, 2015

New Horizons took its first color photo of Pluto and Charon, while Dawn obtained a 20-frame animation looking down on the north pole of a crescent Ceres.

Dawn Journal: Ceres' Deepening Mysteries

Marc Rayman • February 25, 2015

Even as we discover more about Ceres, some mysteries only deepen. Mission Director Marc Rayman gives an update on Dawn as it moves ever closer to its next target.

Revisiting Uranus with Voyager 2

Björn Jónsson • December 10, 2014

Amateur image processor Björn Jónsson brings us some new views of Uranus from reprocessed Voyager 2 data.

Some Recent Views of Mars from Hubble

Ted Stryk • November 26, 2014

Ted Stryk showcases some of his processed versions of recent Hubble Space Telescope views of Mars.

A Tour of 67P...

Stuart Atkinson • September 23, 2014

Stuart Atkinson takes us on a stunning guided visual tour of Comet 67P/Churyumov–Gerasimenko.

One Day on Mars

Bill Dunford • July 21, 2014

A single day's observations take us from orbital overviews all the way down to ground truth.

Voyager 3 Project

Peter Rosén • July 08, 2014

In 1979, the Voyager 1 probe took a stunning series of images on its final approach to Jupiter. Thirty-five years later, almost to the day, a group of seven Swedish amateur astronomers set out to replicate this odyssey, but with images taken with their own ground-based telescopes.

A Spin Through the Inner Solar System

Bill Dunford • February 24, 2014

Animated maps of the planets show the spheres in motion.

The Two Faces of Phoebe

Daniel Macháček • February 13, 2014

Cassini flew past Phoebe on June 11, 2004, on its way to entering Saturn orbit. The flyby was almost perfect but overexposure of some images have prevented color mosaics from being produced. Even though Phoebe's body is gray and dull in color, the absence of color images always provoked me. By using VIMS data, I have now produced color mosaics.

The Faces of Mars

Bill Dunford • February 03, 2014

Portraits of a planet.

NASA re-creates the Apollo 8 Earthrise using Lunar Reconnaissance Orbiter data

Andrew Chaikin • December 20, 2013

If there's one thing I've learned after decades of studying the first human voyages to another world, it's that there is always more to discover about Apollo. Case in point: The Apollo 8 Earthrise photo that became one of the iconic images of the 20th century.

Pretty picture: newly processed high-res view of a fractured icy moon, Dione

Emily Lakdawalla • December 04, 2013

Here's a lovely new view of Dione, one of the lovely mid-sized icy moons of Saturn, assembled by Daniel Macháček.

One for the history books: Stunning Saturn mosaic captured last week by Cassini

Emily Lakdawalla • October 16, 2013

I try to be measured in my praise for spacecraft images. Not every photo can be the greatest space image ever. But this enormous mosaic showing the flattened globe of Saturn floating within the complete disk of its rings must surely be counted among the great images of the Cassini mission.

Pretty picture: Neptune and Triton

Emily Lakdawalla • February 01, 2013

On a lonely evening, what is one to do but to dip into archival space image data and surface with a gorgeous photo of a crescent Neptune and Triton?

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