Περισσότερες ιδέες από το helena
Barite is a major source of barium (Ba). Since it also contains the sulfate group, SO4, it is classified as a sulfate. Many sulfates form from the weathering of other minerals. They are often associated w/ore deposits

Barite is a major source of barium (Ba). Since it also contains the sulfate group, SO4, it is classified as a sulfate. Many sulfates form from the weathering of other minerals. They are often associated w/ore deposits

If we put a giant mirror 10 lightyears away from Earth and looked at it through telescope, theorestically, we'd see 20 years into the past

If we put a giant mirror 10 lightyears away from Earth and looked at it through telescope, theorestically, we'd see 20 years into the past

VIntage Green Celluloid Chinese necklace carved bird pendant Oriental carvings

VIntage Green Celluloid Chinese necklace carved bird pendant Oriental carvings

Amanita viridis (rare mushroom) - Steve Reekie

Amanita viridis (rare mushroom) - Steve Reekie

43,000 Galaxies on a Map / the most complete map of our local universe to date. It took more that ten years to create, has 43,000 galaxies and extends out 380 million light years from the earth. The 3D coordinates of each galaxy was recorded so the raw data could potentially be used to build a realistic 3D model of the universe.

43,000 Galaxies on a Map / the most complete map of our local universe to date. It took more that ten years to create, has 43,000 galaxies and extends out 380 million light years from the earth. The 3D coordinates of each galaxy was recorded so the raw data could potentially be used to build a realistic 3D model of the universe.

star anise seeds and pod

star anise seeds and pod

Ghost Bat .... what a beautiful  little creature...!

Ghost Bat .... what a beautiful little creature...!

SAPPHIRE  Passara Gem Mine, Badulla, Uva Province, Sri Lanka

SAPPHIRE Passara Gem Mine, Badulla, Uva Province, Sri Lanka

Can Animals Think? by Eugene Linden, Time, 1999 - some absolutely fascinating anecdotes about zoo animals

Can Animals Think? by Eugene Linden, Time, 1999 - some absolutely fascinating anecdotes about zoo animals

Planet Dinosaur - Spinosaurus by ~mx

Planet Dinosaur - Spinosaurus by ~mx