What did our ancestors think?
Earth-centered model.
What is geocentric?
A tool that collects light rays using lenses and mirrors. The bigger it is, the further it can see.
What is an optical telescope.
The first stage of a rocket that launches it off the ground.
What is a booster?
Closest planet to the sun.
What is Mercury?
A hot, glowing ball of gas that gives off incredible light energy.
What is a star?
Sun-centered model.
What is heliocentric?
This is used to examine the light rays from stars.
What is a Spectrometer?
The tip of the rocket that houses the crew.
Earth's twin like planet.
What is Venus?
A group of stars held together by gravity.
What is a star system?
Kepler's findings.
What is planets travel as ellipses (oval-shaped)?
A floating structure that orbits Earth and astronauts live and study space inside.
What is the International Space Station?
This carries the payload into Earth's orbit or father into space.
What is the second stage?
The largest planet in our solar system.
What is Jupiter?
A group of millions or billions of stars, gas and dust that are held together by gravity.
What is a galaxy?
Geocentric model.
What is Earth-centered model, surrounded by a ring of air and fire, then the moon and then the planets orbit in circular path.
A smaller body in space that orbits a larger one.
What is a satellite?
The 2 main systems of the Environmental Control and Life Support System (ECLSS).
What is the Water Recovery System (WRS) and the Oxygen Generation System (OGS)?
These planets have rings.
What is Jupiter, Saturn, Uranus, Neptune?
Regions in space where there a huge accumulations of gas and dust. Where solar systems are born.
What are Nebulae?
Heliocentric model.
An unmanned satellite or remote-controlled vehicle that lands on objects.
What is a probe?
Types of technology used in our everyday.
What are artificial satellites, computer technology, consumer technology, medical and health technology, and transportation technology?
Issues involved with space exploration.
The galaxy we live in.
What is the milky way?