Europa and Jupiter viewed from Voyager 1

Europa and Jupiter viewed from Voyager 1

 

Those spots on Jupiter? Largest and furthest, just right of center, is the Great Red Spot — a huge storm system that has been raging on Jupiter possibly since Giovanni Cassini’s likely notation of it 352 years ago.

Europa and Jupiter viewed from Voyager 1

It is not yet known why this Great Spot is red. The spot toward the lower left is one of Jupiter’s largest moons: Europa.  Europa has an underground ocean and is therefore a good place to look for extraterrestrial life.

The dark spot on the upper right? That is a shadow of another of Jupiter’s large moons: Io. Voyager 1 discovered Io to be so volcanic that no impact craters could be found.

Sixteen frames from Voyager 1’s flyby of Jupiter in 1979 were recently reprocessed and merged to create the featured image seen above.

Image Credit: NASA, Voyager 1, JPL, Caltech; Processing & License: Alexis Tranchandon / Solaris

Emission nebula IC 1805 – Heart Nebula

Heart Nebula

 

Sprawling across hundreds of light-years, emission nebula IC 1805 is a mix of glowing interstellar gas and dark dust clouds. Only about 7,500 light-years away, stars were born in this region whose nickname – the Heart Nebula – derives from its suggestive shape (seen here sideways).

nebula IC 1805 - Heart Nebula

This deep telescopic image of the nebula is very colorful, but if you could travel there and gaze across these cosmic clouds with your own eyes, are those the colors you would really see?

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Milky Way over Chilean Volcanoes

 

Taken in 2017 May from the Atacama Desert in Chile, the foreground of the featured image encompasses the dipping edge of the caldera of an extinct volcano.

Milky Way over Chilean Volcanoes

Many famous icons dot this southern nighttime vista, including the center of our Milky Way Galaxy on the far left, the bright orange star Antares also on the left, the constellation of the Southern Cross near the top of the arch, and the red-glowing Gum Nebula on the far right.

Just above the horizon and splitting two distant volcanic peaks near the image center is the Large Magellanic Cloud — the largest satellite galaxy of the Milky Way.

Image Credit & Copyright: Carlos Eduardo Fairbairn

Credit: NASA