Astronomy Word of the Day

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

E-Layer

Eclipse Year

Ecliptic Plane

electron degeneracy

Elongation

Emersion

Emission Nebula

Escape Velocity

Evection

Event Horizon

Exoplanet