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What is called a revolution?
It is the movement that Earth moves around Sun
How many time zones are there?
24
What is the rotation time for each cycle?
A day
What is the spinning of Earth called?
rotation
What does Earth spins around?
An imaginary axis
The Earth's axis go through where?
North Pole and South Pole
Fill in the blanks: The ______ in Neptune's atmosphere is part of what makes it look blue.
methane
Which planet has the largest number of halos? Are they obvious?
Uranus, Not obvious
How many days does a cycle of revolution requires?
365.25days
The Earth's axis is tilted. How many degrees does it tilt to the right?
23.5
What does revolution cause?
Different seasons
What makes Earth suitable for human beings to live on?
Atmoepheric protection, sufficient water, stable gasous ratio and nutrients for plants in the soil
How many Lunar eclipses are there? What are they?
2, total lunar eclipse and partial Lunar eclipse
How many Solar eclipses are there? What are they?
3, partial solar eclipse, total solar eclipse and annular solar eclipse
Who is the first astronaut to go on space?
Yang Liwei
In which year, astronauts from United States reached the Moon for the first time.
1969
