Exploration
Satellite
Astronaut
Telescope
Spacecraft
Rocket
Galaxy
Exoplanet
Planet that orbits a star outside of our solar system
Vehicle that is propelled by engines that burn fuel
Person trained to travel in a spacecraft
Act of traveling in or through an unfamiliar area in order to learn about it
System of millions or billions of stars, together with gas and dust, held together by gravitational attraction
Instrument used to observe distant objects in space
Vehicle designed for travel or operation in outer space
Artificial object that is placed into orbit around a celestial body
Requirement
To equip
Astronomer
Hazy
Diameter
Seasonal
To advance
Geyser
Habitable
A vent or opening in the surface of a planet or moon that erupts hot water, steam, or gas into the air.
Obscured or partially hidden by dust, clouds, or other particles, making it difficult to see clearly.
Capable of supporting life or having the potential to sustain life.
A scientist who studies the universe, stars, planets and galaxies.
To make progress or move forward in the understanding or exploration of space
Occurring or varying according to the seasons, such as seasonal changes in weather or climate on different planets.
To provide with the necessary tools, instruments, or equipment for space exploration or research.
A necessary condition or need for successful space exploration or a specific space mission.
The distance across a celestial body, such as a planet, moon, or asteroid, at its widest point.