Atom & Cosmos

Topic Image Rail

Uranus and Neptune

THE OTHER BLUE PLANETS  Uranus (left) and Neptune (right) have not been visited since Voyager 2 sped by in the late 1980s. Many researchers argue that it’s time to go back.

tetraneutrons

NO PROTONS ALLOWED  The collision of two varieties of helium nuclei at a Japanese lab produced beryllium nuclei and tetraneutrons, nuclei with four neutrons but no protons. This illustration depicts the number of protons and neutrons but not their actual positions within each nucleus.

Soviet stamp

MOON VIEW  A 1966 Soviet Union stamp depicts Luna 9 on the moon’s surface (left) and the first lunar images displayed on television (right). 

Atom & Cosmos

Subscribe to RSS - Atom & Cosmos