Planets
Stars and galaxies
Spice missions
Astronomers
Space Facts
100
Which planet is closest to the Sun?
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Mercury
100
What is the name of our galaxy?
The Milky Way
100
What was the first artificial satellite called?
Sputnik 1
100
Who formulated the law of universal gravitation?
Isaac Newton
100
What is the natural satellite of Earth called?
Moon
200
Which planet is the largest in the Solar System?
Jupiter
200
What is the brightest star in the night sky?
Sirius
200
Who was the first human to travel into space?
200
Who first proposed the heliocentric system?
Nicolaus Copernicus
200
Which planet is known as the “Red Planet”?
Mars
300
Which planet has volcanoes similar to Earth?
Venus
300
Which galaxy is closest to the Milky Way?
Andromeda
300
Which mission first landed humans on the Moon?
Apollo 11
300
Who discovered the planet Uranus?
William Herschel
300
What is the name of the boundary around a black hole beyond which nothing can escape?
Event Horizon
400
Which planet is known for its rings?
Saturn
400
What type of star is the Sun?
A yellow dwarf
400
What was the first space shuttle launched by NASA?
Columbia
400
Who discovered the four largest moons of Jupiter?
Galileo Galilei
400
How long does light from the Sun take to reach Earth?
About 8 minutes
500
Which planet has the longest day, longer than its year?
Venus
500
What is a neutron star?
A very dense star formed after a supernova
500
Which rover landed on Mars in 2021?
Perseverance
500
Which astronomer studied the rotation of galaxies and dark matter?
Vera Rubin
500
What is the largest volcano in the solar system and where is it located?
Olympus Mons on Mars