After sunset...
Happy time to all 🍀💚🍀
Cave of the Crystals or Giant Crystal Cave is a cave connected to the Naica Mine at a depth of 300 metres (980 ft), in Naica, Chihuahua, Mexico... (Wikipedia)
Atlas Moth (Attacus atlas). #SciArt by John Obadiah Westwood for Edward Donovan, Natural History of the Insects of China (1842). View more in #BHLib: http://ow.ly/Vg2z30jvfO6 – #AtlasMoth #Moths #Entomology #Lepidoptera
Asteroid Vesta’s size compared to other asteroids.
Helium nuclei were created in the Big Bang and contain two protons and two neutrons each. Helium is the second most abundant element, comprising roughly one quarter of the mass of the Universe. This animation zooms into a standard helium atom, showing its protons (green), neutrons (white), and electrons (blue).
Credits: Dana Berry / Lead Animator Michael McClare (HTSI)
Can’t dance? Well, you’re not getting laid! A female Peacock Spider intensely judges males dancing ability before she accepts him for sex, once his dancing and tapping convinces the female, he will delicately move past her pointy fangs and reach around to fertilize her.