These historic sketches of the moon were published by Galileo in his Sidereus Nuncius or Starry Messenger of 1610, not long after building his famous telescope. This is where modern astronomy began. The photo below (by Michael Dunn) shows a replica of Galileo’s telescope:
A recent study reported in Nature finds that 10 Nobel prize-winners, out of a sample of 23, “reported eating chocolate more than twice a week, compared with only 25% of 237 well-educated age- and sex-matched controls.” I’d go out and buy a crateload, but…
In November 1895, Wilhelm Röntgen discovered X-rays; the X-ray of his wife’s hand below was taken the following month. Röntgen received the first (1901) Nobel Prize in Physics for this work. He never made a cent from the discovery, however, donating the prize to his university, and refusing to patent a discovery with such enormous medical benefits. Thanks for your generosity, Wilhelm!
This superb NASA/JPL/SSI photograph from 19 July, taken by the hard-working Cassini spacecraft, looks back 1,440,000,000 km to our home planet – the blue dot below Saturn’s rings. Click on the photograph for details, and for larger versions of the image.
“I pray for one last landing On the globe that gave me birth; Let me rest my eyes on the fleecy skies And the cool, green hills of Earth.” – Robert A. Heinlein
Even nicer is the image below (a team effort; click on the image for details). It shows (top row) Uranus and Neptune; (second row) Earth, the white dwarf star Sirius B, and Venus; (third row) Mars and Mercury; and (fourth row) the Moon, Pluto, and the dwarf planet Haumea. The last five are shown in more detail here.