You are here….

Taken by NASA’s Cassini probe earlier this month, the planet Earth is a bright pinpoint of distant light, viewed through the magnificent rings of mighty Saturn. Stunning.

This reminds me very much of one of my favourite photographs from space exploration, the famous “pale blue dot” image taken almost three decades ago by the Voyager craft, when the late and much-missed Carl Sagan argued for the probes, now passed the outer worlds, to be turned around and take a perspective of our world and our solar system, a “family portrait” as Carl put it, giving us a view that no human had ever seen before in all the ages of the world. In that image our world was even smaller, not even a full pixel. It gave a vastly different perspective on human affairs – those who consider themselves so important because they are rich, powerful, connected, from this distance – a small one in astronomical terms, vast in human terms – they mean less than nothing. Perhaps world leaders should all take a moment to look at such images and think about them for a moment… (via BoingBoing)

You Are Here…

An infinitesimal dot in a vast space, containing, as the great Carl Sagan once said of another famous image from our exploration of space, the Pale Blue Dot image, every single person you ever knew, your mother, father, brother, your grandfather, his father back to the earliest proto human, every cat, dog, fish, bird, every beggar and king, every famous musician, every humble artisan, all lived on that dot. That’s home. Now Cassini sends us this spectacular image from Saturn, the crown jewel of the solar system, the Earth, a bright, blue dot (arrowed in the pic) glowing in the vast distance, millions of miles away while the magnificent rings of Saturn wheel above.

the earth from Saturn Cassini

Every person, everything we’ve ever done is on that dot, from the first single celled creatures through the great dinosaurs to us, all contained inside that glowing dot. And yet look at this picture, look at how far we can reach, further than anyone in thousands of years of human history – look at how far we can reach when we put out efforts and those big brains evolution gave us to some wonderful effort instead of squabbling and fighting among ourselves on that same small dot. When we’re not doing that, this is the kind of thing we can accomplish, and it is magnificent. A little reminder as we see endless bad news of wars, disasters, economic ruin and more every night on the news that actually we are remarkable, our species built this clever probe, worked out a complex flight path around celestial bodies at huge speed, swinging around gravity wells and did so with such precision it can send us back images of our own world as seen from the rings of Saturn and we can share it at almost the speed of light through fiber optic networks of computers across that little globe, instantly.

The Earth is the shore of the cosmic ocean. Recently we’ve waded a little way out, and the water seems inviting...” Carl Sagan.

Saturn

JPL and the ESA have announced that the Cassini probe has found a small, previously unknown moon around the giant world Saturn the sixtieth so far discovered around the ringed world. It may be a tiny lump of rock and ice but I love the fact that almost 50 years after Gagarin’s first space flight our own solar system is still surprising us. Makes me wonder what we will discover when we finally get further out (and why haven’t we pushed further, we let ourselves get so small after the Apollo missions…)

Elsewhere on the ESA site there’s a function to listen to the Huygens probe which descended into the large moon Titan from Cassini. The sound files aren’t especially interesting as such, in fact is is just a rather dull sequence of white noise, but the fact the first one is a recording of sounds heard on an alien world is. Sounds from a world no human has walked on, beamed across millions of miles to be heard for the first time in human history. Now that is impressive.