WorksheetsTod-des-Stern (Todesstern) / Death-of-Stars (Deathstar)
Total questions: 12
Worksheet time: 6mins
Identify the Cat's Paw Nebula (Katzenpfotennebel)
Why was this constellation named "cat constellation"
The name comes from the Latin word "cattus", which means "small" or "dim", since the stars in this constellation are relatively faint and hard to see
The ancient Egyptians believed that the stars in this constellation represented the goddess Bastet, who was often depicted as a cat
As a cat lover, he felt sorry that there wasn't one named after a cat
Because of an ancient legend that tells of a magical cat who transformed into the stars as a reward for saving a group of humans from danger
The Cat's Eye Nebula is part of what constellation?
Hint: Part of the North Star
Dog
Cat
Mouse
Dragon
What are Stars made of?
Primarily plasma
Primarily out of hydrogen and helium
Out of gas and dust
Primarily molten rock or metal
What happens when a large star dies?
When a star dies, it simply fades away and disappears.
When a star dies, it becomes a planet or a moon.
It explodes in a supernova and forms either a neutron star or a black hole.
When a star dies, it becomes a black hole.
What is an event horizon?
The point at which a comet passes closest to the sun
The point at which a star explodes into a supernova
The region around a star where planets are likely to form
The boundary surrounding a black hole where nothing can escape from
What is the mass of the supermassive Blackhole at the center of the Milky Way? (compared to our sun)
500 thousand
times
4 million times
1 million times
6 million times
How do black holes "die"?
By exploding in a supernova, just like massive stars
They loose mass and evaporate slowly over time
They don't "die", rather they'll exist until the end of the universe
By consuming too much matter, causing them to become unstable and explode
What is a neutron star?
A collapsed star composed almost entirely of neutrons
A type of white dwarf star
A star that is burning up its remaining fuel rapidly
A type of red giant star
What is the approximate size of a typical neutron star?
About the size of the Moon
About the size of a small asteroid
About the size of Earth
About the size of a large planet
What is the maximum mass of a neutron star?
1 solar mass == mass of the sun in our solar system
About 1.4 solar masses
About 10 solar masses
About 50 solar masses
There is no maximum mass limit for neutron stars
Which of the following is NOT a property of a neutron star?
High surface temperatures
Rapid rotation
Continuous nuclear fusion reactions
Intense magnetic fields
