File:The earth a pale blue dot suspended in a sunbeam.jpg

NASA, Voyager-1, 1990

a Pale Blue Dot

suspended in a sunbeam

the Earth is where we make our stand

to cherish and protect

the only home we've ever known

-- Carl Sagan

• http://saganseries.com/

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NASA's Cassini spacecraft turn to look home at Planet Earth, July 19, 2013

In this rare image taken on 19 July, the wide-angle camera on the international Cassini spacecraft has captured Saturn’s rings and our planet Earth and Moon in the same frame.

The dark side of Saturn, its bright limb, the main rings, the F ring, and the G and E rings are clearly seen; the limb of Saturn and the F ring are overexposed. The ‘breaks’ in the brightness of Saturn’s limb are due to the shadows of the rings on the globe of Saturn, preventing sunlight from shining through the atmosphere in those regions. The E and G rings have been brightened for better visibility.

Earth, 1.44 billion km away in this image, appears as a blue dot at centre right; the Moon can be seen as a fainter protrusion off its right side. The other bright dots nearby are stars.

This is only the third time ever that Earth has been imaged from the outer Solar System. The first image was taken by NASA’s Voyager-1 in 1990 and famously titled “Pale Blue Dot”.

In 2006, Cassini imaged Earth in the stunning and unique mosaic of Saturn called “In Saturn's Shadow – The Pale Blue Dot”.

-- European Space Agency / ESA

• https://solarsystem.nasa.gov/resources/536/voyager-1s-pale-blue-dot/

• https://news.cornell.edu/stories/2020/02/iconic-pale-blue-dot-photo-carl-sagans-idea-turns-30

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