Solar System
Star Life cycle
The Earth and the Sun
The Moon
More Solar System
100
The planet which was named after the Roman goddess of beauty.
Venus
100
The life of a star begins in the cloud of space dust called...
Nebula
100
What is the Earth's place in the Solar System going from the Sun?
Third
100
Full Moon, New Moon, waxing gibbous are...
Moon phases
100
The hottest planet in the Solar system is...
Venus. Unlike Mercury it has atmosphere that stops coolig.
200
The planet that has liquid water on the surface
Earth
200
The explosion of a Red Supergiant star is called...
Supernova
200
Reason for day and night changing
Earth's rotation
200
How big is the Moon compared to the Earth?
The Moon is 4 times smaller in diameter than the Earth
200
Name two planets with the largest number of satellites.
Saturn (274 moons) and Jupiter (95 moons).
300
The planet with a Great Red Spot seen on its' surface
Jupiter
300
Our Sun's next stage in the life cycle
Red Giant
300
How long is the Earth's revolution?
365,25 days
300
What do we call the C-shaped Moon?
Crescent
300
What will happen if we land on a Jovian planet?
We cannot land on it, because it is made of gas.
400
The planet that has polar ice caps like the Earth
Mars
400
The stage of a massive star life when it becomes very small but very heavy
Neutron star/Black hole
400
Two reasons for seasons changing on Earth
Earth's revolution and axis tilt
400
Why do we see always the same side of the Moon?
Because the Moon's rotation and revolution cycles are the same (about 29 days).
400
The planet that rotates "on its side"
Uranus
500
The planet with the shortest revolution cycle
Mercury
500
Name the two: star shines because of the first, star holds together because of the second
Nuclear reactions (explosions) and Gravity
500
Explain how the axis tilt causes summer in the Northern hemisphere.
When the Earth is in the position when it leans towards the Sun with the Northern hemisphere, this hemisphere gets more direct (concentrated) Sun heat.
500
What is Giant Impact hypothesis?
Moon formation as a result of planet Theia and proto-Earth collision 4.5 bln years ago.
500
Which two terrestrial planets have satellites and what are their names?
Earth and Mars. Moon, Phobos, Deimos
