Models of the Universe/Scientists
Planets
The Sun
Space Technology
Galaxies
100

This model of our solar system has the Earth as the centre

What is geocentric? 

100

This is the term for the planets closest to the Sun.

What are inner or terrestrial or inner planets?  

100

The Sun is made up of mostly this gas

What is hydrogen? 

100

This space agency in the US sends astronauts into space

What is NASA? 

100

This galaxy type has no regular shape

What is irregular? 

200

This model has the Sun as the centre of our solar system

What is heliocentric? 

200

This is the largest planet in our solar system

What is Jupiter? 

200

Our Sun would be considered this class of star size.

What is intermediate? 

200

This is a reusable aircraft that can be landed upon return to Earth like an airplane

What is the space shuttle? 

200

This force holds the stars, planets, dust and so on together in a galaxy

What is gravity? 

300

This scientist invented the telescope and provided the best evidence at the time for a heliocentric universe

Who is Galileo? 

300

This is another term for the outer planets 

What is Jovian (gas giants)? 

300

This is the outermost part of the Sun's atmosphere

What is the corona? 

300

These many countries help develop and operate the International Space Station

What is 16? 

300

Scientists have determined that galaxies are moving away from each other because of this analysis

What is red-shift analysis? 

400

This scientist, along with Brahe, developed three laws of planetary motion

Who was Kepler? 

400

This planet is also known as the "red planet" 

What is Mars? 

400

The dark patches on the Sun are these

What are sunspots? 

400

This is a space vehicle carrying scientific instruments and sent to fly past, orbit, or land on a celestial body to collect data 

What is a probe? 

400

The largest evidence for the Big Bang theory comes from the presence of this in the universe

What is cosmic background radiation? 

500

This scientist said that Earth rotated on its axis once daily and revolved around the Sun once a year. 

Who was Copernicus? 

500

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?

500

Radiation from the Sun does not cause more damage to Earth because of this

What is Earth's magnetic field? 

500

This type of satellite orbits at the same speed as the Earth rotates

What is geosynchronous? 

500

Intermediate mass stars such as the Sun will eventually cool, forming these.   

What are black dwarves? 

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