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Jupiter

Roscosmos has released a series of videos that replace our Moon and Sun with well known pl...

At some point in their lives, who hasn't looked up at the sky and gazed in wonder at Earth's closest companion? Hanging a dizzying 384,400 km (238, 606 miles) above us, the Moon has stood like a silent sentinel throughout our species' short existence. It has enticed some to visit and inspired others to look to the universe beyond. The Russian space agency Roscosmos recently released series of videos shot from the perspective of Earth, showing us what it would look like if other planets and stars took the place of our Moon and Sun.  Read More

Jupiter's Great Red Spot may be caused by the sun and not some internal phenomenon as prev...

The Great Red Spot is the distinguishing feature that makes Jupiter one of the most easily recognizable planets in our solar system. Until recently, it was widely believed that this blemish was formed as a result of reddish-colored chemicals rising up from within the planet itself. However, using information obtained by analysis of data from the Cassini fly-by mission of Jupiter, researchers working at NASA's Jet Propulsion Laboratory have discerned that the planet's Great Red Spot may have more to do with the external action of the sun than some internal mechanism.  Read More

Jupiter and her volcanic moon, Io (Image: NASA/JHU/APL)

A series of three massive volcanic eruptions detected on the surface of Jupiter's moon Io in August last year, has the potential to yield insights into the formation process of the surface of Earth-like planets. By any standards, these eruptions were enormous, characterized as titanic curtains of lava issuing forth from fissures several miles in length, that spewed massive amounts of material high above the moon's surface.  Read More

Jupiter's Great Red Spot has been a source of inspiration and curiosity for generations of...

Data collected by NASA's Hubble Space Telescope over the past 20 years show Jupiter's Great Red Spot has been shrinking at an increasing rate to its current, and smallest, recorded size. The reduction is possibly due to the existence of eddies, that have been observed feeding into the planet-sized storm.  Read More

JPL scientists say Ganymede may be built like a club sandwich

In a combination of the astronomical and the culinary, scientists at NASA’s Jet Propulsion Laboratory (JPL) say that Jupiter’s largest moon, Ganymede, may not have a single large ocean, but instead may be built like a club sandwich with alternating layers of ice and water. The claim is based on computer models of how salt water acts under the high pressures that may exist beneath Ganymede’s global ice pack, and may improve the chances of finding life elsewhere in the Solar System.  Read More

The image is a mosaic of the best shots from various missions (Image: USGS Astrogeology Sc...

NASA scientists have produced the first global geological map of Jupiter's largest moon Ganymede by combining images from over twenty years of observation by the Voyager spacecraft and the Galileo orbiter.  Read More

Artist's concept of the Juno flyby (Image: NASA)

If you want to have a starship captain’s view of flying past the Earth, then NASA is happy to oblige. This week, the space agency released a video made of images taken by the Juno space probe as it shot past our planet last October. The unmanned spacecraft was using the Earth’s gravity to build up its velocity by over 8,800 mph (14,100 km/h) and slingshot it on its way to Jupiter. And as it did so, it took the time to receive a “Hi” from ham radio operators back home.  Read More

Artist's concept of Juno arriving at Jupiter (Image: NASA/JPL-Caltech)

Online observatory Slooh has streamed live pictures of NASA’s Juno space probe flyby. The feed from the robotic half-meter telescope in the Canary islands gave visitors a ringside seat as the probe passed within 347 mi (559 km) of Earth in a slingshot maneuver designed to take it all the way to Jupiter.  Read More

Artist's impression of the surface of Europa (Image: NASA)

We’re used to expendable boosters on space missions, but what about an expendable crew? That is essentially the long-term plan of Objective Europa, a group led by Kristian von Bengtson, founder of Copenhagen Suborbitals, that's contemplating the challenges of sending astronauts to Jupiter's moon Europa to look for life. The only catch is that the trip is one-way with no hope of return at the end of the mission.  Read More

On Monday, Juno had traveled half the distance to Jupiter (Image: NASA/Caltech)

NASA announced on Monday that its Juno space probe has reached the halfway mark on its voyage to Jupiter after covering a distance of 879 million miles. This seems odd when you consider that Juno will pass just 347 miles (559 km) from Earth in October. Why both of these facts are true is due to the complex orbit that Juno is following in order to reach its destination.  Read More

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