5791526
Beschreibung
Quiz von Leah Firmstone, aktualisiert more than 1 year ago
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Erstellt von Leah Firmstone
vor etwa 8 Jahre
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Frage 1
Frage
What is the approximate number of galaxies in the universe?
Antworten
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100 billion
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3 billion
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300 billion
Frage 2
Frage
What is an exo- (or extrasolar? planet?
Antworten
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a planet that orbits a star other than the sun
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a planet that is further from the Sun than the Earth
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any planet within our solar system
Frage 3
Frage
Exoplanets are difficult to detect and all the exoplanets discovered so far have been much bigger than our Earth.
Antworten
- True
- False
Frage 4
Frage
What is the 'Goldilocks zone'?
Antworten
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where the distance from the star (eg. the Sun) means that it is neither too hot nor too cold to support liquid water
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where the distance from the star has the perfect temperature (it's just right) to sustain life
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the best chance of a solar system being able to sustain life
Frage 5
Frage
Many scientists believe that, due to the sheer [blank_start]size[blank_end] of the universe and the fact that there are so many [blank_start]galaxies[blank_end], it is highly probable that there will be [blank_start]life[blank_end] on another planet somewhere. Even if a small [blank_start]proportion[blank_end] of stars have extrasolar planets orbiting them, many scientists believe that it is likely that life already [blank_start]exists[blank_end] elsewhere in the universe. However, as yet [blank_start]no[blank_end] evidence for [blank_start]extraterrestrial[blank_end] life - either at present or in the past - has been detected.
Antworten
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size
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galaxies
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life
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proportion
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exists
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no
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extraterrestrial
Frage 6
Frage
Voyager 1 is one of two probes launched in 1977 by NASA to study the outer solar system. It has travelled 17 billion km carrying 'The Golden Records'.
Antworten
- True
- False
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