Centauri

What is a Light Year?

• A light year is a measure of time used in astronomy.
• A light year is the speed at which light travels.
• A light year is a type of star found in the universe.
• A light year is distance to measure how far light travels in one year.

What are Radio Telescopes?

• Telescopes that observe visible light from stars
• Instruments used to measure temperature in space
• Radio telescopes are devices used to observe radio emissions from space

• Devices that emit sound waves for communication

What are Optical Telescopes?

• Optical telescopes are instruments that use lenses or mirrors to detect light from celestical objects

• Optical telescopes are instruments that measure the temperature of stars.
• Optical telescopes are used exclusively for observing terrestrial objects.
• Optical telescopes are devices that only capture radio waves from space.

What is ISS?

• International Space Station 2
• Intergalactic Space Station
• International Science Station
• International Space Station

What is ISS used for?

• Research

• Launch Pad

• War Base

• Rain

What is NASA?

• NASA stands for National Air and Space Agency.
• NASA is a private aerospace company.
• NASA is a global weather organization.
• NASA is the National Aeronautics and Space Administration.

What is ESA?

• Environmental Space Agency
• European Space Agency
• European Science Agency
• European Satellite Association

What is JAXA?

• Japanese Aeronautics and Space Administration
• Japan Aerospace Agency
• Japan Airspace Exploration Agency
• Japan Aerospace Exploration Agency

What is ROSCOSMOS?

• ROSCOSMOS is a satellite communication company.
• ROSCOSMOS is the European Space Agency.
• ROSCOSMOS is a private aerospace manufacturer.
• ROSCOSMOS is the Russian Federal Space Agency.

What are two types of planets?

• Terrestrial planets and gas giants
• Ice giants and rocky moons
• Super-Earths and brown dwarfs
• Dwarf planets and asteroids