WunderQuiz
The Earth in the Solar System
Incredible facts about the Earth's place in the solar system.
The Earth in the Solar System
Incredible facts about the Earth's place in the solar system.
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How many planets do we have in our solar system?
...
(without the little pseudo-planet)
10
8
5
7
ⓘ
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
Pluto is considered a pseudo-planet.
The Earth is at what average distance from the Sun?
Light travels for approx. 8 minutes.
300 thousand km
500 million km
150 million km
5 million km
Right now you're traveling with the earth very fast around the sun.
How fast, approximately?
30 km per second
1 mile per second
300 meters per second
3 meters per second
ⓘ
The (average orbital) speed of the Earth is 29.8 km/s or 107 thousand km/h. Oops.
The Earth has an equatorial radius of how many kilometers?
34 000 km
6 378 km
3 466 km
1,285 km
ⓘ
This is 3963 miles
The Earth is a sphere flattened at the poles.
What is the difference between the polar radius and the equatorial radius?
12 km
15 meters
1 km
500 km
ⓘ
12 km over 6378 km for radius, that is about 0.2 %.
The Earth formed about _____ years ago.
1,000 billion
2 billion
5 million
4.5 billion
ⓘ
That is 4,500,000,000 years
The sun revolves around the Earth.
Oui
Non
ⓘ
Until the 17th century the theory of geocentrism dominated. Nicolas Copernicus was the first to propose, around 1513, a heliocentric model, where the sun is in the center.
The Earth has a revolution period around the sun of how many days?
537 days
365.25 days
355 days
255 days
ⓘ
It's a year.
The Earth's inner core is a solid ball with a radius of 1,220 kilometres. What's it made of?
of an iron-nickel alloy
rock
salt crystals
of a gold and chromium alloy
The Earth interacts with the Moon.
This interaction is responsible for ... ?
the tides on Earth
global warming
bad weather
the seasons
The Earth's solid crust is about _____ thick.
100 meters
755 km
66 km
1 km
ⓘ
If the Earth were an apple, this solid part would be the apple peel.
The axis of the Earth's rotation is tilted by 23°.
This is the cause of what natural phenomenon?
the saions
the tides
the color of the sky
night and day
Where does the water in the oceans come from?
Two hypotheses are favoured by scientists.
extraterrestrial civilizations
solar winds
from hydrogen and oxygen of the Earth's interior...
comets and meteorites
