Space Pioneers & Discoveries
This person was the first human to travel into space in 1961.
Who is Yuri Gagarin?
This is the brightest object in Earth's night sky.
What is the Moon?
This planet is known as the "Red Planet.
What is Mars?
This is the name of the galaxy that contains our Solar System.
What is the Milky Way?
This is the hottest planet in the Solar System, despite not being closest to the Sun.
What is Venus?
This American astronaut was the first to set foot on the Moon in 1969.
Who is Neil Armstrong?
This is the name for a massive explosion marking the end of a large star’s life.
What is a supernova?
This planet has the shortest orbit around the Sun, taking just 88 days.
What is Mercury?
This is the term for a rocky or metallic body that survives entry into Earth's atmosphere and reaches the ground.
What is a meteorite?
This is the largest volcano in the Solar System.
What is Olympus Mons?
The Hubble Space Telescope, launched in 1990, was named after this famous astronomer.
Who is Edwin Hubble?
These small, rocky objects orbit the Sun primarily between Mars and Jupiter.
What are asteroids?
This dwarf planet was once classified as the ninth planet of the Solar System.
What is Pluto?
This is the term for the point around a black hole beyond which nothing can escape.
What is the event horizon?
This type of star is the final stage of evolution for the most massive stars in the universe.
What is a black hole?
This Italian astronomer improved the telescope and discovered Jupiter’s four largest moons.
Who is Galileo Galilei?
This is the name for a neutron star that emits beams of electromagnetic radiation.
What is a pulsar?
This moon of Saturn, known for its thick atmosphere and methane lakes, could potentially harbor life.
What is Titan?
This mysterious force is causing the universe to expand at an accelerating rate.
This theoretical boundary determines how close a moon can orbit before being torn apart by a planet’s gravity.
What is the Roche limit?
This spacecraft, launched in 1977, became the first human-made object to enter interstellar space.
What is Voyager 1?
This phenomenon occurs when light from a distant galaxy is bent by a massive object in front of it.
What is gravitational lensing?
This region beyond Neptune is home to icy bodies, including Pluto.
What is the Kuiper Belt?
This was the first known interstellar object to pass through our Solar System, discovered in 2017.
What is ‘Oumuamua?
This cosmic event, predicted by Einstein, was first directly detected in 2015 by LIGO.
What are gravitational waves?