Saturn’s rings, edge on, as seen by Cassini

Saturn’s rings, edge on, as seen by Cassini

[CLICK ON IMAGE FOR HIGH RESOLUTION, Cassini Imaging Team, ISS, JPL, ESA, NASA If this is Saturn, where are the rings? When Saturn’s “appendages” disappeared in 1612, Galileo did not understand why. Later that century, it became understood that Saturn’s unusual protrusions were rings and that when the Earth crosses the ring plane, the edge-on […]

Curiosity’s road trip on Mars

Curiosity’s road trip on Mars

[CLICK ON IMAGE FOR HIGH RESOLUTION /  NASA, JPL-Caltech, MSSS; Digital processing: Damia Bouic] Landing in mid-2012, the Curiosity rover is searching for clues of whether life could ever have existed on the red planet [and has found] evidence for an ancient (but now dried) freshwater lake…. To continue its investigation, the car-sized rover is […]

What our own Milky Way looks like from the side

What our own Milky Way looks like from the side

[CLICK ON IMAGE FOR HIGH RESOLUTION, Subaru Telescope (NAOJ), Hubble Space Telescope;  Robert Gendler] This gorgeous island universe, cataloged as NGC 2683, lies a mere 20 million light-years distant in the northern constellation of the Cat (Lynx). NGC 2683 is seen nearly edge-on in this cosmic vista combining data and images from the ground-based Subaru […]

Who, or what, dropped that jelly donut on Mars?

Who, or what, dropped that jelly donut on Mars?

[CLICK ON IMAGE FOR HIGH RESOLUTION, Mars Exploration Rover Mission, Cornell, JPL, NASA] What if a rock that looked like a jelly donut suddenly appeared on Mars? That’s just what happened in front of the robotic Opportunity rover currently exploring the red planet. The unexpectedly placed rock, pictured above, was imaged recently by Opportunity after […]

Followed by a moon shadow: 1989 Neptune images from Voyager 2 reviewed 20 years later

Followed by a moon shadow: 1989 Neptune images from Voyager 2 reviewed 20 years later

[CLICK ON IMAGE FOR HIGH RESOLUTION,  NASA, JPL – Processed Image Copyright: Ted Stryk] Despina is a tiny moon of Neptune … discovered in 1989, in images from the Voyager 2 spacecraft taken during its encounter with the solar system’s most distant gas giant planet. But looking through the Voyager 2 data 20 years later, […]

Nearby M7 star cluster stands out in a sea of … stars, farther away at our galaxy’s center

Nearby M7 star cluster stands out in a sea of … stars, farther away at our galaxy’s center

[CLICK ON IMAGE FOR HIGH RESOLUTION, Lorand Fenyes] M7 is one of the most prominent open clusters of stars on the sky. The cluster, dominated by bright blue stars, can be seen with the naked eye in a dark sky in the tail of the constellation of the Scorpion (Scorpius). M7 contains about 100 stars […]