Bill Nye the Science Guy
Season 2 Episode 13 - The Sun
The Sun is huge. It's bigger than huge. It's so big that 1.3 million Earths would fit inside a hollowed-out Sun. It's really far away, too - about 150 million kilometers (93 million miles) Even at that distance the Sun affects everything on Earth. All the energy we have comes, or once came from, the Sun. That includes energy to light a lamp, energy to kick a soccer ball, and energy in batteries that play your personal stereo. We're talking about nearly all of the energy. There's a little bit of energy that comes from nuclear reactions deep in the Earth's core. But that energy pales compared with the nuclear fusion fueling the Sun. Without the Sun, the Earth would be a big hunk of rock with nearly nothing on it. The Sun is made of gas. It has so much gravity that it's atoms are smashed into hot gas. In the sun, atoms of gas are constantly crashing into each other. When they collide, they form new atoms and release energy. Scientists call this atom smashing "nuclear fus
Episodes in Season 2
Magnetism
26 min
Wind
26 min
Blood & Circulation
26 min
Chemical Reactions
26 min
Static Electricity
26 min
Food Web
26 min
Light Optics
26 min
Bones & Muscles
26 min
Oceanography
26 min
Heat
26 min
Insects
26 min
Balance
26 min
The Sun
26 min
Brain
26 min
Forests
26 min
Communication
26 min
Momentum
26 min
Reptiles
26 min
Atmosphere
26 min
Respiration
26 min
