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94%AnimationSep 2013

Why does the moon look so big on the horizon?

(4:09) Scientists aren't sure, but there are plenty of intriguing theories.


94%VideoNov 2013

Vsauce - What does Earth look like?

(10:48) When we look at the Earth, we see it with the limitations of our eyes. Vsauce Michael explains what we are missing out on.

94%VideoDec 2013

How astronomers detect alien atmospheres

(3:22) Considering the enormous distances involved, how do astronomers determine the size, mass and make up of a planet orbiting a distant star?

94%VideoMay 2015

Five human activities you can see from space

(2:38) Satellites have been watching us for 40 years documenting the human activity below.

94%VideoApr 2017

4 days of Saturn

(1:52) Timelapse of 44 hours of Saturn as seen from NASA's Cassini spacecraft, April 2016.

94%AnimationOct 2017

Amazing animation shows how deep humans have dug

(2:53) If we were to journey to the center of the Earth, it would take a lot longer than you might expect.


94%VideoFeb 2018

Juno, an epic journey to Jupiter

(7:42) The story of Juno, a spacecraft that left Earth in 2011 heading for Jupiter.


93%VideoNov 2011

Neil deGrasse Tyson on the economic benefits of going to Mars

Astrophysicist Neil deGrasse Tyson puts the case for a slightly more complicated 'cause and effect' argument about how to get better science. As counterintuitive as it may seem, going to Mars could have economic benefits.


93%AnimationSep 2012

How the planet looks without water

(1:35) The surface of the Earth would be smoother than a billiard ball if it were the same size.


93%AnimationJul 2011

From Earth to the largest known star, VY Canis Majoris

(3:02) You've probably seen videos trying to communicate the sheer mind-blowing scale of the universe. This one compares Earth with the largest known star, VY Canis Majoris.