stars
planets
space
size
Hollywood
100
what is this?
black hole
100
This planet, known for its rings, is the second-largest in our solar system.
Saturn
100
This was the first artificial satellite launched into space in 1957.
Sputnik 1
100
How many Earths you could fit in Jupiter?
1300
100
What is this and what it does?
The Search for Extraterrestrial Intelligence (SETI)
uses radio telescopes to listen for signals from alien civilizations.
200
This is the closest star to Earth
The Sun
200
the first planet from the Sun
Mercury
200
This astronaut was the first human to walk on the Moon in 1969.
Neil Armstrong
200
How many lightyears wide is our galaxy - The Milky Way?
100 000 lightyears
200
What is Fermi paradox?
If aliens exist, where are they?
300
This galaxy, home to our solar system, is a barred spiral galaxy.
Milky Way
300
This is the only planet in the solar system known to support life.
Earth
300
This Mars rover, active from 2012, has been exploring the Red Planet’s surface.
Curiosity
300
What is a lightyear?
The distance light travels in one Earth year.
300
What happened in Roswell, New Mexico 1947?
no one knows (an UFO accident)
400
This type of star is in the final stage of its life cycle and emits a bright burst of light before collapsing.
Supernova
400
This planet, named after the Roman god of war, is often called the "Red Planet."
Mars
400
This force keeps planets in orbit around the Sun.
Gravity
400
How many kilometers is one lihgtyear?
9 trillions ( 9.4605284 × 1012)
500
What is the name of this star? (It is million times as large as our Sun)
UY Scuti
500
This planet has the fastest winds in the solar system, reaching speeds of over 1,200 mph.
Neptune
500
This beautiful display of lights in Earth's polar regions is caused by charged particles from the Sun.
Aurora borealis
500
If you drove a car at highway speed (100 km/h), for how long it would take to drive across the Milky Way?
50 billion years
100000000
What color is antares?
Red
100000000
What planet did they argue that it is not a planet?
Pluto
100000000
This is the closest galaxy to the Milky Way, set to collide with it in about 4.5 billion years.
Andromeda Galaxy
100000000
How large is the observable universe?
93 billion lightyears (9,3016×1010)