Black holes – Utopedia

Hawking Radiation

Before we look at black holes, let’s start with something simpler: black body radiation. A black body is an idealized object that absorbs all incoming light and energy. It doesn’t reflect or let anything escape. When it gets hot, it emits light based solely on its temperature.

Astronomy & Space

Red Giants

In the main sequence stage (the long middle of a star’s life), a star fuses hydrogen into helium in its core. This fusion produces energy, which pushes outward against gravity’s pull. But once the hydrogen in the core runs out, fusion slows.

Astronomy & Space

White Dwarf Stars

When stars die, they don’t all go out in a blaze of glory. Some fade away — quietly, beautifully — leaving behind a glowing core that tells the story of…