Humans in Space
Solar System
The Universe
The Sun
Random Stuff
100

The name of the space station, namely, was run by the USA, Russia and the EU 

The International Space Station (ISS) 

100
This was a planet, but later reclassified as a dwarf planet because it was, among other things, too small.

What is Pluto

100

Name of the theory of how the universe began. 

What is the Big Bang?

100

The closest star to the Earth

What is the sun?

100

The name of the Earth's moon

The moon

200

Name of space program that resulted in the USA landing on the moon

Apollo program 

200

What the Sun will turn into next (what does a main-sequence star of the sun's size turn into?) 

A Red Giant 

200
The color that galaxies "shift" to as they accelerate away from us. 
What is Red?
200

The innnermost layer of the sun.

What is the core?

200

Theory of the universe's death where dark energy wins and everything is ripped apart 

The big rip

300

The first satellite launched in space by the Soviet Union in 1957

What is Sputnik?

300

Outermost layer of the Sun that can be seen during a solar eclipse 

What is the corona?

300

The densest object in the universe

What is a black hole?
300
The nuclear reaction that is taking place in the core of the sun. 

What is Fusion?

300

The theory of the universe's death where gravity wins, everything reverts to a singularity 

The big crunch 

400
Space probe launched in 1977, left the solar system in 2012. Currently traveling at 38,000 MPH and carrying a "Sounds of Earth" mixtape. 

What is Voyager 1?

400
The process that takes place in a star's core, which produces energy.

What is fusion? 

400

The mysterious energy that is causing the accelerated expansion of the universe. 

What is Dark Energy?

400

It can take a particle over 100,000 years to get through this radiated layer of the sun. 

What is the radiation zone? 

400

The theory of how the universe dies, where it expands forever, uses all of its energy and gets cold 

Freeze death 

500

Name of Russian rover sent to Venus. 

Venera 9

500

The second closest star to Earth. 

Alpha Centauri AB 

500

The name of the effect that explains how redshifting works. 

The Doppler effect

500

The second densest object in the universe. 

What is a neutron star? 

500

This phenomenon occurs when a massive object bends the path of light traveling past it, an effect predicted by Einstein's general relativity.

Gravitational lensing 

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