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Earth (and Moon) From Space

Far out (as they say) gives a particular view of Earth and its Moon.

Astronomy Picture of the Day on 23/11/24 showed a composite of two photographs of Earth from the vicinity of other planets. A picture taken from near Saturn by the Cassini probe and another from Mercury orbit taken by Messenger:-

 

 

 

 

 

 

 

 

 

 

 

Such a small dot in a big universe.

Four Moons in One Frame

With bonus rings.

Another great picture from the Cassini Probe, taken from Astronomy Picture of the Day for 4/4/2021.

Four Saturnian Moons

The most obvious moon is the bright Dione, hovering on the centre of the frame, with shadowy but much larger Titan in the background. Titan is the tenth largest object in the Solar System bigger than the planet Mercury.

To the extreme right of the rings is Pandora, a moon which shepherds Saturn’s F ring.

Just in the gap in the rings (the Encke gap) is Pan, only 35 kilometres across but which keeps the gap free of ring particles.

Dots

Wow. Just wow.

From Astronomy Picture of the Day for 12/10/19.

On the left the pale blue dot (Earth) as seen from Saturn. On the right Earth and Moon from Mercury.

Earth from Saturn and Mercury

Fly Over Mercury

Courtesy of today‘s Astronomy Picture of the Day. A composite of images taken by Nasa’s MESSENGER probe.

Mercury of course has a very slow rotation – onky three turns for every two trips round the sun.

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