What can we find at the center of our galaxy?
The oldest stars
Only dark matter
A black hole
All telescopes are located on the Earth
Astronomy and astrology
Both are scientific disciplines
Astrology was the first try to study the sky
All answers are correct
Regarding to astronomers
Galileo invented the telescope
Copernicus developed the heliocentric theory
Kepler applied mathematics in his studies
How much of the universe can we see from our planet?
Less than 10%
Around 4%
About 50%