Skip Navigation

Resources

Pioneer 11 Press Conference

Two met at conference table.
Source: NASA Ames
Published: February 13, 2018

Legendary space scientist James van Allen is seen smoking a pipe alongside physicist Edward Smith at a Pioneer 11 press conference in 1974.

ENLARGE

Related

This illustration is a representation of the interior of Saturn's moon Enceladus with a global liquid water ocean between its rocky core and icy crust.
More
Illustration of the interior of Saturn's moon Enceladus showing a global liquid water ocean between its rocky core and icy crust.
Global Ocean on Enceladus (Artist's Rendering)
This unusual view of Saturn's moon Hyperion (266 kilometers, or 165 miles across) shows just how strangely shaped this tumbling little moon is. Hyperion is the largest of Saturn's irregularly shape...
More
Fuzzy black and white view of Hyperion
Strange Hyperion
In this 30 second exposure, a meteor streaks across the sky during the annual Perseid meteor shower Friday, August 12, 2016 in Spruce Knob, West Virginia.
More
In this 30 second exposure, a meteor streaks across the sky during the annual Perseid meteor shower Friday, August 12, 2016 in Spruce Knob, West Virginia.
Perseid Meteor Shower 2016
This montage shows four major icy moons of Saturn that the Cassini spacecraft visited while surveying the Saturnian system during 2005. Even though all of these bodies are made largely of ice, the...
More
Montage showing different views of Saturn's moons Dione, Enceladus, Iapetus and Rhea
Season of Moons
Straining to make out the surface of Titan through its murky atmosphere, the Cassini spacecraft's wide angle camera manages to exploit one of the infrared spectral windows where the particulate smo...
More
Titan
Murky World
Saturn's moon Pan is seen here orbiting within the Encke Gap in Saturn's A ring in two differently processed versions of the same Cassini image. The little moon is responsible for clearing and main...
More
Pan orbiting within the Encke Gap in Saturn's A ring
Revealing Pan's Influence
The moon Prometheus creates an intricate pattern of perturbation in Saturn's F ring while the moon Daphnis disturbs the A ring in this image taken after the planet's August 2009 equinox. Prometheu...
More
The moon Prometheus creates an intricate pattern of perturbation in Saturn's F ring while the moon Daphnis disturbs the A ring
Pulchritudinous Perturbations
This short animation is made up from a sequence of images taken by the Descent Imager/Spectral Radiometer (DISR) instrument on board ESA's Huygens probe, during its successful descent to Titan on J...
More
Animation: Descent Through Clouds to Surface
Descent Through Clouds to Surface
When seen up close, the F ring of Saturn resolves into multiple dusty strands. This Cassini view shows three bright strands and a very faint fourth strand off to the right.
More
The F ring of Saturn
F for Fabulous
The Cassini spacecraft images dark spokes on Saturn's B ring. Spokes are radial markings on Saturn's rings that continue to interest scientists, and they can be seen here stretching left to right ...
More
dark spokes on Saturn's B ring
Detailing Dark Spokes
Groovy Rings and Moons May 27, 2004 Full-Res: PIA05396 The multitude of grooves for which Saturn's rings are famed, clumps in th...
More
Groovy Rings and Moons
Groovy Rings and Moons
This simulated view from NASA's Cassini spacecraft shows the expected positions of Saturn and Earth on July 19, 2013, around the time Cassini will take Earth's picture. Cassini will be about 898 mi...
More
Taking Earth's Picture from Nearly 900 Million Miles Away
Taking Earth's Picture from Nearly 900 Million Miles Away
Saturn's shadow passes over its rings as the Cassini spacecraft looks on in this artist's concept. Credit: NASA/JPL-Caltech + High Resolution (.jpg, 699 KB) + Highest Resolution (.tif, 24.3 MB)
More
Saturn's shadow passes over its rings as the Cassini spacecraft looks on in this artist's concept.
Cassini at Saturn View 3
In this rare image taken on July 19, 2013, the wide-angle camera on NASA's Cassini spacecraft has captured Saturn's rings and our planet Earth and its moon in the same frame.
More
Saturn's rings, Earth and the moon
The Day the Earth Smiled: Sneak Preview (annotated)
Saturn looms in the foreground of this mosaic of Cassini images, taken by the spacecraft on May 28, 2017. The planet is adorned by ring shadows. The icy rings emerge from behind the planet.
More
Saturn's rings emerge from behind the planet's hazy limb
Inside-Out Rings: Over the Limb
This is a raw, or unprocessed, image taken by the Cassini spacecraft during its close flyby of Saturn's moon Iapetus on Sept. 10, 2007.
More
Iapetus
Iapetus Up Close
This Cassini spacecraft wide angle camera view shows a half-lit Saturn, with two dark storms rolling through its southern hemisphere. The image was taken in visible red light on July 19, 2004, at...
More
Saturn in Red
Saturn in Red
This image was taken with the Cassini Synthetic Aperture Radar instrument on Oct. 28, 2005. This was the fourth flyby of Titan during which radar images were obtained, and this pass considerably ...
More
Titan's dunes, from Oct. 28, 2005 flyby
Dunes and more dunes
Our robotic emissary, flying high above Saturn, captured this view of an alien copper-colored ring world. The overexposed planet has deliberately been removed to show the unlit rings alone, seen fr...
More
Saturn's rings
Ring World
Vertical structures in the variable outer edge of Saturn's B ring cast shadows in these two images captured by NASA's Cassini spacecraft shortly after the planet's August 2009 northern vernal equin...
More
Vertical structures in the variable outer edge of Saturn's B ring cast shadows in these two images captured by NASA's Cassini spacecraft shortly after the planet's August 2009 northern vernal equinox.
Long Spiky Shadows
A train of diagonal channels in Saturn's F ring follows behind the moon Prometheus. Each of these features was created during a previous close approach of Prometheus to the ring. When the moon is...
More
Saturn's F ring and Prometheus
F Ring Channels
+ View Full Res This raw, unprocessed image of Saturn's moon Enceladus was taken on Oct. 19, 2011. As the spacecraft passed Enceladus, its infrared instruments, cameras and other instruments moni...
More
Enceladus
Enceladus Flyby E-15 (Raw Image #8)
This mosaic of oblique images highlights the spectacular interior of Abedin crater.
More
Mountains in a crater on Mercury.
Awesome Abedin
These three images, created from Cassini Synthetic Aperture Radar (SAR) data, show the appearance and evolution of a mysterious feature in Ligeia Mare, one of the largest hydrocarbon seas on Saturn...
More
These three images, created from Cassini Synthetic Aperture Radar (SAR) data, show the appearance and evolution of a mysterious feature in Ligeia Mare, one of the largest hydrocarbon seas on Saturn's moon Titan.
Mysterious Changing Feature in Ligeia Mare -- Annotated
Ithaca Chasma is one of the two most prominent features on Saturn's moon Tethys; the other is the gigantic crater Odysseus. Ithaca Chasma is visible near the moon's lower right limb in this image, ...
More
Tethys' Ithaca Chasma
The Great Rift

You Might Also Like