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Life in the Cosmos

Questions regarding the search for life away from Earth
Quiz by
BMull28
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Last updated: July 25, 2019
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First submittedMay 29, 2019
Times taken26
Average score35.0%
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Question
Answer
How many of the terrestrial planets have iron cores?
all of them
Beneath the surface or which moon of Jupiter is there the strongest evidence for the existence of a subsurface ocean of liquid water?
Europa
What is the surface temperature of the Sun in K?
5778K
Life probably did not originate on the land surface because of the lack of the --- Layer
Ozone
What object is at the centre of the Solar System in Copernicus' System?
The Sun
The total mass of all existing asteroids is 1/--- of that of the Earth
1000
The trapping of infrared radiation from the Earth's surface by greenhouse gases like carbon dioxide, methane, and water is knows as the --- Effect
Greenhouse
What is a small rocky body in the Solar System?
Asteroid
How many planets within our Solar System have plate tectonics?
1
Less massive stars have longer/shorter/similar lifetimes to more massive stars?
longer
What temperature is required for the proton-proton cycle to occur?
10 million Kelvin
Cells that lack a nucleus are called ...
Prokaryote
The large water erosion features on Mars appear to be --- billion years old
2 - 3
What is the most abundant element within nebulae?
Hydrogen
To the nearest billion years, how old is the Sun?
4.6 Billion Years
What must be reduced in the disk around the forming Sun for planets to form?
Turbulence
What does SETI stand for?
Search for Extraterrestrial Intelligence
Which geological features are believed to have been the main source of the Earth's oceans and atmosphere?
Volcanoes
What geological features have removed craters from the Martian surface in the past?
Volcanoes
What is the most abundant gas in the atmosphere of Titan?
Nitrogen
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