landing

"The achievements of Apollo were so bold and our subsequent efforts so timid that the energy of those years seems like a youthful dream." -Buzz Aldrin 43 years ago today, humanity took our first steps on another world, venturing nearly 400,000 kilometers from home and walking on the surface of the Moon. Image credit: NASA, Apollo 11, photo by Neil Armstrong. Of course, what we found there was a world whose soil was very similar to our own, but devoid of any atmosphere, liquid, or signs of life, present or past. But out beyond the Moon, visible in the distance even when viewed from Earth,…
Several million years ago, at a time when dinosaurs walked the earth, a flying reptile - a pterosaur - came in for a landing. As it approached, it used its powerful wings to slow itself down and hit the ground feet first. It took a short hopping step before landing a second time. On solid ground, it leant forward, put its arms down and walked away on all fours. The landing made quite an impression on the underlying limestone mud and in the following millennia, the creature's tracks became fossilised. Now, they have been unearthed by Jean-Michel Mazin from the University of Lyon at a site…