Models of the Universe/Scientists
This model of our solar system has the Earth as the centre
What is geocentric?
This is the term for the planets closest to the Sun.
What are inner or terrestrial or inner planets?
The Sun is made up of mostly this gas
What is hydrogen?
Pieces of rock floating through space
What are meteoroids?
Earth is located here
What is on one of the spiral arms of the Milky way galaxy?
This model has the Sun as the centre of our solar system
What is heliocentric?
This is the largest planet in our solar system
What is Jupiter?
Our Sun would be considered this class of star size.
What is intermediate?
small rocky bodies in the solar system that usually orbit the sun between Mars and Jupiter
What is an asteroid?
This force holds the stars, planets, dust and so on together in a galaxy
What is gravity?
One of the first people to turn a telescope toward the sky and report on what he saw.
Who is Galileo?
This is another term for the outer planets
What is Jovian (gas giants)?
This is the outermost part of the Sun's atmosphere
What is the corona?
Rocky material composed of ice, rock and gas, often referred to as "dirty snowballs".
What are comets?
Scientists have determined that galaxies are moving away from each other because of this analysis
What is red-shift analysis?
This scientist, along with Brahe, developed three laws of planetary motion
Who was Kepler?
This planet is also known as the "red planet"
What is Mars?
The dark patches on the Sun are these
What are sunspots?
Chunks of rock that have passed through the atmosphere and hit Earth's surface are now referred to as this term.
What are meteorites?
The largest evidence for the Big Bang theory comes from the presence of this in the universe
What is cosmic background radiation?
This scientist said that Earth rotated on its axis once daily and revolved around the Sun once a year.
Who was Copernicus?
This planet has an unusual rotation as it is flipped on its side and has a blue atmosphere due to methane gas.
What is Uranus?
Radiation from the Sun does not cause more damage to Earth because of this
What is Earth's magnetic field?
this is the apparent switch in motion of a celestial object as viewed from Earth.
What is retrograde motion?
Intermediate mass stars such as the Sun will eventually cool, forming these.
What are black dwarves?