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15
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What may eventually happen to black holes after an extremely long time?
They may completely evaporate
They freeze forever
They turn into planets
They become comets
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banana
Go to last place!
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seesaw
Swap points!
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fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 20 points!
Oops!
15
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What is "spaghettification"?
A black hole exploding
The stretching of an object caused by strong gravity
A star turning into a planet
A black hole becoming invisible
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15
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Which force is mainly responsible for creating a black hole?
Gravity
Friction
Electricity
Magnetism
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15
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What is a light-year?
The time it takes the Earth to orbit the Sun
The brightness of a star
The distance light travels in one year
The age of a galaxy
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15
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Why do scientists still not fully understand what happens at a singularity?
Black holes are too small to study
It is too far from Earth
No one has looked through a telescope
Current physics cannot fully explain the extreme conditions
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15
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According to the video, how do supermassive black holes probably grow?
By creating new stars
By collecting sunlight
By absorbing matter and merging with other black holes
By freezing nearby planets
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15
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Which statement best describes a black hole?
An object with gravity so strong even light canât escape
A giant empty hole in space with no gravity
A dying planet covered in darkness
A cloud made entirely of gas
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15
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Which of these is NOT likely to become a black hole?
A very massive star at the end of its life
Our Sun
A star much bigger than the Sun
A giant star that runs out of fuel
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15
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Where are supermassive black holes usually found?
At the centres of galaxies
Between Earth and the Moon
Inside planets
On the edge of the Solar System
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heart
Other team wins 20 points!
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rocket
Go to first place!
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gift
Win 25 points!
Okay!
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baam
Lose 10 points!
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15
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Why can't light escape from a black hole?
Space is too dark
There is no oxygen
Light is too slow
Its gravity is too strong
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boom
Lose 50 points!
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seesaw
Swap points!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 20 points!
Oops!
15
×
How are most stellar black holes formed?
When the Sun explodes
When two planets collide
When a comet enters Earth's atmosphere
When a massive star collapses after running out of fuel
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15
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Which element marks the end of energy-producing fusion inside a massive star?
Iron
Helium
Oxygen
Hydrogen
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15
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What is believed to be at the centre of a black hole?
A giant star
A galaxy
A singularity
A planet
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