What time is it when the Sun is not in the sky?
Night
Why does the Moon look bright at night?
It reflects light from the sun.
How fast does the ISS travel around Earth?
28,000 km/h.
20.000 km/h.
1,000 km/h.
10,000 km/h.
Who lives on the ISS?
Astronauts live on the ISS.
How long does it take Earth to go around the Sun?
One year.
Where is the ISS?
It's in space, orbiting around Earth.
How many times does the earth go around the sun in one day?
about 4 times.
about 30 times.
about 20 times.
about 16 times.
How do astronauts get to the ISS?
By rocket.
What is the name of the star that gives us light and heat?
The Sun
Which planet is the closest to the sun?
Mercury
Name 5 planets in our solar system.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Which planet is red?
Mars
How do astronauts talk to their families?
By email and text messages.
By video calls or radio.
By paper airplanes.
By Zalo or Instagram.
What happens when the Moon moves between the Earth and the Sun?
It becomes a full moon.
The stars come out.
There is a solar eclipse.
The Sun disappears forever.
Which planet is the biggest?
Jupiter
How do astronauts eat food on the ISS?
They eat special space food from packages. It's not very delicious...
How do astronauts exercise in space?
They use special machines to exercise in space.
What do you see in the sky at night?
Stars, the moon and far away planets.
How many planets are in our solar system?
Eight
Nine
Six
Seven
What does "ISS" stand for?
International Space Station