Ide lain dari andita
Astronomers have discovered the largest known structure in the universe, a clump of active galactic cores that stretch 4 billion light-years from end to end. The structure is a light quasar group (LQG), a collection of extremely luminous Galactic Nulcei powered by supermassive central black holes.

Astronomers have discovered the largest known structure in the universe, a clump of active galactic cores that stretch 4 billion light-years from end to end. The structure is a light quasar group (LQG), a collection of extremely luminous Galactic Nulcei powered by supermassive central black holes.

The Triad Tree  	    	  		When teaching watercolor classes, I often see students struggle with what I consider one of the joys of watercolor. I’m referring to the joys of color mixing.

The Triad Tree When teaching watercolor classes, I often see students struggle with what I consider one of the joys of watercolor. I’m referring to the joys of color mixing.

Osnat Tzadok art-for some reason I picture making this with pieces of torn tissue paper for the background.

Osnat Tzadok art-for some reason I picture making this with pieces of torn tissue paper for the background.

i like the bright colours thats has been used to create the piece. also the contrasting colours that have been used to make the eye stand out and draw your attention.

i like the bright colours thats has been used to create the piece. also the contrasting colours that have been used to make the eye stand out and draw your attention.

Lost in time by Dariusz Lakomy, via 500px

Lost in time by Dariusz Lakomy, via 500px

Germany

Germany

milky way

milky way

Milky Way and star trails over Mt.Kobau. Credit: Preserved Light Photography on Flickr.

Milky Way and star trails over Mt.Kobau. Credit: Preserved Light Photography on Flickr.

Igloo under Northern Lights ~ Travelust 88

Igloo under Northern Lights ~ Travelust 88