Has eight planets
What is our solar system?
a large planet composed mainly of gases like hydrogen and helium, without a solid surface
What is a gas giant?
A near perfect vacuum
What is space?
The first space dog
Who is Laika?
a small rocky object that orbits the sun
What is an asteroid?
4.6 billion years old
What is our solar system?
The path each planet takes to travel around the sun
What is an orbit?
Has very low density and pressure
What is outer space?
A space research lab
What is the international space station?
Something that orbits around a planet or star
What is a satellite?
makes up most of our solar systems mass
What is the sun?
the time of a rotation on a planets axis
What is one day?
A theory of the origin of our universe
What is the big bang theory?
The first person to use a telescope to look at stars and celestial bodies
Who is Galileo Galilei?
a group of stars that makes a pattern
What is a constellation?
The model we use to show our solar system
What is the heliocentric model?
How long a revolution is
What is one year?
Muscle damage
bone damage
weak immune system
lessened sense of taste and smell
What are the effects of space on people?
the space shuttle that exploded in 1986
What is the challenger?
A ball of frozen gas and dust that orbits the sun
What is a comet?
Convective zone
radioactive zone
core
What are the areas of the sun?
The illusion of a planet orbiting backwards
What is retrograde motion?
The altitude where space begins
What is the Kármán line?
The first human launched object to reach space
What is the bumper-WAC
Made of 70% hydrogen and 27% helium
What is the sun?