Vocabulary
Scientists have found an exoplanet that could have oceans of liquid water.
What's exoplanet?
a. A small rocket engine used to control the direction or speed of a spacecraft.
b. A planet that orbits a star outside our solar system.
b. A planet that orbits a star outside our solar system.
The thrusters guided the spacecraft to the surface of the planet.
What's thrusters?
a. The distance light travels in one year, used to measure vast distances in space.
b. A small rocket engine used to control the direction or speed of a spacecraft.
b. A small rocket engine used to control the direction or speed of a spacecraft.
Space debris can cause problems when it collides with space stations in orbit.
What's space debris?
Broken pieces of satellites or rockets left in orbit around Earth.
The closest galaxy to our own is located over 2.5 million light years away from Earth.
What's light year?
Light-year - The distance light travels in one year, used to measure vast distances in space.