Devouring red giants | Seven Ages of Starlight
Experts explain what will happen to the Sun as it begins to die, and the ramifications for Earth.
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A chaotic beginning | Wonders of the Solar System
The chaotic birth of the solar system is incomparable to the relatively stable system that we see today.
The feather and the hammer | Bitesize Science
Air resistance affects different objects and how they fall differently, just as Galileo suggested.