~Earth and Sun~
~Earth and Moon~
~The Solar System~
~Stars and the Universe~
~Random~
100
What is a gravity?
Gravity is a force of attraction, or pull, between any two objects.
100
What is a solar eclipse?
A solar eclipse occurs when the Moon passes directly between Earth and the Sun.
100
What is a telescope?
A telescope is an instrument that makes distant objects seem larger and nearer.
100
What is a star?
A star is an object that produces its own energy, including heat and sunlight.
100
Earth completes one ____________ in 365 days.
rotation
200
What is an orbit?
An orbit is the path one object takes around another object.
200
What is a lunar eclipse?
A lunar eclipse occurs when the Moon moves into Earth's shadow and is no longer reached by direct sunlight.
200
What is a solar system?
A solar system is a star and the objects that orbit around it.
200
What is a nebula?
A nebula is a huge cloud of gases and dust.
200
Which planet is an outer planet? (Saturn;Venus;Earth;Mercury)
Saturn
300
What is inertia?
Inertia is the tendency of a moving object to keep moving in a straight line.
300
What is a tide?
the rise and the fall of the ocean's surface.
300
What is a planet?
A planet is a large object that orbits a star.
300
What is a galaxy?
A galaxy is a huge system of stars, gas, and dust
300
How many days does Neptune needs to do one revolution?
60,190 days
400
What is a revolution?
A revolution is one complete trip around the Sun.
400
Who was the first person that walk on the Moon?
Neil Armstrong
400
What is the radius of the Earth in km?
6,378
400
Are elliptical galaxies round?
yes they are
400
How many hours and minutes does Neptune need to make one rotation?
19hours, 6minutes
500
Is the Earth making one rotation each day?
Yes
500
What is a phase?
A phase of the Moon is the appearance and shape of the Moon as you see it at a particular time.
500
Does Uranus has a ring?
Yes it does
500
What galaxy is Messier 81?
A spiral galaxy
500
How many hours and days does Venus need to make on rotation?
243days, 16hours
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