Space Items
A device that expels gas in one direction to move in the opposite direction.
What is a rocket.
The shape planets orbit in.
What is ellipse.
What is thrust.
A meteoroid that reaches Earth's surface.
What is a meteorite.
Copernicus thought the solar system was this.
What is heliocentric (sun centered).
A space craft that can carry a crew into space, return to Earth, and be used again.
What is a space shuttle.
Pluto is classified as this.
What is a dwarf planet.
Life not from Earth.
What is extraterrestrial.
The solid inner core of a comet.
What is the nucleus.
The reason astronomers can see the surface of Mars clearly, but not Venus's.
An artificial satellite where people can live and work for long periods.
What is a space station.
The types of planets that have rings.
What are gas giants.
How fast you have to fly to fall into Earth's orbit.
What is orbital velocity.
The halo around the sun, it means crown.
What is the corona.
This astronomer recorded the positions of the planets for 2 years.
Who is Tycho Brahe.
Any object that revolves around another object in space.
What is a satellite.
The region between Mars and Jupiter.
What is the asteroid belt.
How fast you have to fly to escape Earth's orbit.
What is escape velocity.
What is geocentric.
This astronomer analyzed the data from Tycho Brahe and discovered that the orbits are ellipse.
Who is Johannes Kepler.
Name the 3 types of rocket fuel.
What is solid, liquid, and ion.
The region that extends past Neptune's orbit and is full of comets.
What is the Kuiper Belt.
Getting info without being in direct contact with it.
What is remote sensing.
Streams of electrically charged particle.
What is solar wind.
Two reasons astronomers believe there was once water on Mars.
-Ice at polar ice caps
-Huge canyons that look like coast line.
-Ancient features of streams/lakes/floods