Science and Exploration

Deuterium

1 article

The interstellar comet 3I/ATLAS, with its distinctive tail, travels through deep space, highlighting its unique deuterium-to-hydrogen ratio and implications for early solar system formation.
Space & Astronomy

What is Deuterium in Comets and Early Solar System Formation?

The interstellar comet 3I/ATLAS carries water with a deuterium-to-hydrogen (D/H) ratio exceeding 6.

Dr. Alistair Finch·June 28, 2026