Kevin’s Cards about Celestial Objects Flashcards
For centuries People assumed that the Sun and other Stars orbited-or moved around- what
Our plant Earth
The Sun orbiting around the Earth is what type of model
It is called the Geocentric model of the solar system
What does the Latin root Geo mean
Geo means Earth
What does Geocentric mean
Earth centered
What model puts the Sun in the middle of our Solar System
The heliocentric model
The Latin root helio means what
Sun
What does heliocentric mean
Sun centered
The invention of what scientific tool around the year 1600 gave scientists a much more accurate view of space from Earth
The telescope
Which scientist demonstrated the truth of the heliocentric model
Galileo Galilei
What is a star
An extremely hot, dense mass of gasses
As the glasses inside stars burn what does the stars give off
They give off visible light, as well as other charged particles
Most of the energy that reaches our planet includes what
Light and Heat that come from the sun
What sized star is the Sun
A medium sized star
What is the most massive object in the Solar System
The Sun
The Sun has enough of what that pulls the planets
Mass
The sun has enough mass that its gravitational pull and holds what
The planets and other objects in the solar system orbit the Sun
What does the Sun spin on
The axis
What is the meaning of the word axis
An imaginary line through the center of a sphere
The Inner Planets are also known as what
Rocky or Terrestrial planets
Outer planets are made up of what materials
Gasses and Liquids
What shape are the planets orbits
Elliptical or Oval shaped
A planet is what type of object
A celestial object
A planet must orbit around what
The Sun
A planet must have what shape
A nearly Spherical shape
