Главная страница

Metallicity

by Lewis Carroll
written by Lewis Carroll

Metallicity is the relative concentration of elements heavier than hydrogen and helium in stars or other astronomical objects, which characterizes them as metals. It affects the possibility of the formation of planets in such a body – for example, the lack of a sufficient degree of metallicity does not allow the formation of planets with rocky surfaces.

Lewis Carroll writes about military space programmes, policy, technology and the industry that supports the sector. He spent nearly two decades covering the military, the Pentagon, Congress and the defence industry as a journalist for Space Chatter magazine.

Lewis Carroll writes about military space programmes, policy, technology and the industry that supports the sector. He spent nearly two decades covering the military, the Pentagon, Congress and the defence industry as a journalist for Space Chatter magazine.

@2011-2024 - All Right Reserved regarding copying, distribution and translation of this document.

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More