15 more (harder) questions about galaxies:
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The quiz above includes the following questions:
- The lightest observed galaxy in the universe is called Segue 2 and contains only ...
- The Milky Way is estimated to have between ...
- Most galaxies have a diameter of ...
- Spiral galaxies have dense molecular clouds of hydrogen gas in their spiral arms, which are areas of ...
- When most of the energy emitted from a galaxy comes from its nucleus instead of its stars and other objects, it is called ...
- An active galaxy with a relativistic jet pointing in the direction of Earth is a ...
- An active galaxy with a relativistic jet not pointing in the direction of Earth is a ...
- The new galaxy that will be formed after the collision of Andromeda and the Milky Way has been nicknamed ...
- Dwarf galaxies tend to ...
- Galaxies are grouped in structures or superstructures. Only a small number of galaxies are truly isolated. What is the percentage of lone galaxies?
- The Milky Way is part of the Local Group (group of around 54 galaxies) which is itself part of the ...
- How many galaxies are there in the Virgo Supercluster?
- How many superclusters are there in the universe?
- Roughly how many dwarf galaxies orbit the Milky Way?
- In elliptical galaxies stars have an orbit that is ...