[ **up: [[Science]]** ] --- # Magnetic field (Earth) Normally, the Earth’s magnetic core generates a magnetic field that protects our planet from harmful radiation from the cosmos and Sun.[^1] *see also:* [[Geomagnetic excursion]]; [[Laschamps excursion]]. [^1]: Siberry, Jeff (dir.), ‘Episode 1’, *[[Siberry. 'Megafauna_ What Killed Australia's Giants_', 2024.|Megafauna: What Killed Australia's Giants?]]*, Season 1, Episode 1, ABC iView, released 24 June 2024 (retrieved 12 February 2025), [https://iview.abc.net.au/show/megafauna-what-killed-australia-s-giants](https://iview.abc.net.au/show/megafauna-what-killed-australia-s-giants).