Do any other plants have a magnetic field?

Earth is the only terrestrial or rocky planet in the inner plants with a known magnetic field despite all of them having molten interiors.

In 1974, a spacecraft that flew past Mercury was able to measure a magnetic field, but it was extremely weak at only about 1% of the magnetic field on here on Earth.

The gas giants Jupiter, Saturn, Uranus and Neptune all have magnetic fields that are much stronger than Earth's magnetic field.

Learn more about this with our series “Inner Earth”

From secret worlds to mystical doors, subterranean land appeared in ancient mythology, and legends in all kinds of flavours. But right under our feet lies an incredible force of nature capable of keeping us alive as well as posing existential threats

Online live interactive talks with experts

Come learn from the best in their fields, and ask them your questions

Find an upcoming live talk

High-quality recorded talks on-demand

Watch recordings of 100+ past talks at your own pace

Browse on-demand talks

One Garden is a community for the curious, a place where inquisitive minds can come together to learn from world experts, and each other, and join in conversations about topics that spark their curiosity.

Find out more

With our monthly membership we aim to give anyone, anywhere, access to the knowledge, ideas and people who have shaped — and continue to shape — our understanding of the world.

Find out more