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thedemon-hauntedworld:

IC 1274 Credit: Mt. Lemmon SkyCenter, University of Arizona

thedemon-hauntedworld:

IC 1274
Credit: Mt. Lemmon SkyCenter, University of Arizona

*79

(Source: nativeamericannews)

*9

(Source: tenkaichibukkake)

godotal:

Spiral Aurora Over Finland

godotal:

Spiral Aurora Over Finland

(via the-nth-dimension)


The entire evolution of the moon is a story of catastrophes.
— Carl Sagan

The entire evolution of the moon is a story of catastrophes.

Carl Sagan

(via gothballs)

(via empyr3an)

levantineviper:

Rings of Saturn
Image creidt: NASA’s Voyager 2 Spacecraft

levantineviper:

Rings of Saturn

Image creidt: NASA’s Voyager 2 Spacecraft

(Source: levantineviper-archive, via smegandtheheads)

*30
1ll-society:

Yoshitaka Amanoselected by 1ll-society

1ll-society:

Yoshitaka Amano
selected by 1ll-society

(Source: 1staab.com)

spaceplasma:

The formation and evolution of pre-stellar discs

This series of radiation hydrodynamical calculations follows the collapse of one solar-mass molecular cloud cores all the way to the formation of the stellar core. This project was a follow-up to my 1998 barotropic calculations which discovered that rapidly-rotating first hydrostatic cores could develop rotational instabilities and evolve into large discs before the stellar core formed within them.

In this calculation the initial molecular cloud core is rotating slowly quickly enough that the first hydrostatic core becomes dynamically rotationally unstable. However, in this case, the instability is stronger. The pre-stellar disc that is formed has a radius approaching 100 AU, and the end of one of the spiral arms manages to collect enough gas to form a self-gravitating fragment. All of this evolution occurs before the stellar core forms (which occurs at the end of the animation). This calculation was performed using 1 million SPH particles.

Credit: Simulation & visualisation by Matthew Bate, University of Exeter

scottlocke:

Scott Locke // Handmade Collage // 2014
8”x10”

scottlocke:

Scott Locke // Handmade Collage // 2014

8”x10”

(via lucin77)