Posts tagged gif

(Source: yimmyayo, via sagansense)

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expose-the-light:

Gravitational wave

In physics, gravitational waves are ripples in the curvature of spacetime which propagate as a wave, travelling outward from the source. Predicted to exist by Albert Einstein in 1916 on the basis of his theory of general relativity, gravitational waves theoretically transport energy as gravitational radiation.

1. Two stars of similar mass are in highly elliptical orbits about their center of mass

2. Two stars of dissimilar mass are in circular orbits. Each rotates about their common center of mass (denoted by the small red cross) in a circle with the larger mass having the smaller orbit.

3. Two stars of similar mass are in circular orbits about their center of mass

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“When I look up at the night sky, and I know that, yes, we are part of this Universe, we are in this Universe, but perhaps more important than both of those facts is that the Universe is in us. When I reflect on that fact, I look up—many people feel small, because they’re small and the Universe is big, but I feel big, because my atoms came from those stars.” - Neil DeGrasse Tyson [x]

“When I look up at the night sky, and I know that, yes, we are part of this Universe, we are in this Universe, but perhaps more important than both of those facts is that the Universe is in us. When I reflect on that fact, I look up—many people feel small, because they’re small and the Universe is big, but I feel big, because my atoms came from those stars.” - Neil DeGrasse Tyson [x]

(Source: youtube.com, via calebwilburn-deactivated2012070)

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GLOBULE

[noun] mfrom Latin globulus, from globus (“globe”); a small round particle of substance; a drop; a spherical body.

(Source: victoriousvocabulary, via scinerds)

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(Source: gifmovie, via scinerds)

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Hundreds of pictures of Earth, each taken at about 6AM , showing the terminator - the day/night line - over the course of one year (2010sep-2011sep).
Taken by METEOSAT-9 Earth-observing satellite.Watch the Video hereCredit: NASA Earth Observatory

Hundreds of pictures of Earth, each taken at about 6AM , showing the terminator - the day/night line - over the course of one year (2010sep-2011sep).


Taken by METEOSAT-9 Earth-observing satellite.
Watch the Video here
Credit: NASA Earth Observatory

(via expose-the-light)

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