Wave at Saturn!
Today was the day everyone on Earth was supposed to wave at the planet Saturn, low on the eastern horizon in the afternoon. Way out there at Saturn, the Cassini space probe is looking back this way as Saturn eclipses the sun, and the pictures it takes during this event – while Saturn is blocking out the direct light of the sun from Cassini’s vantage point – should show Earth as a tiny bright-blue half-pixel reflecting the sun’s light.
Since it was clouded over and trying to rain on us, we made our own Saturn out of a styrofoam ball, with paper clips holding up a somewhat floppy construction-paper ring. Obviously, Douglas Trumbull isn’t quaking in his boots. … Read more