A

Astrophysics

The branch of astronomy that deals with the physics of celestial objects, including stars, galaxies, and the interstellar medium.


E

Exoplanet

A planet located outside out solar system, orbiting a star other than the Sun.


H

Hubble Space Telescope

A space telescope launched by NASA, known for its contributions to astronomy and its high-resolution images of distant galaxies.


M

Mars Rover

A robotic vehicle designed to explore the surface of Mars, collecting data about the planet's geology and climate.


O

Orbital Mechanics

The study of the motion of objects in space under the influence of gravitational forces.