Photo of the day !!

Last edited:


"Mam Xoi Hill in the Mist" Photo by Phuoc Hoai Nguyen


How to Land on an Alien World
Like explorers of old, planetary probes go where there may be dragons.
06c_am2021_penitentesiceformations_live.jpg

Ice formations called “penitents”—in Chile’s Chajnantor plain—grow to about seven feet high. They might also exist on Jupiter’s moon Europa, posing a threat to landers sent from Earth. (ESO / Photo Ambassador Babak A. Tafreshi)
By Ralph Lorenz
AIR & SPACE MAGAZINE | SUBSCRIBE
APRIL 2021