Solar System
What is the name of the phenomenon when the Moon’s shadow falls on Earth during a solar eclipse?
Lunar eclipse
Name the planets of the solar system in the correct order.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What is the name of the first human to walk on the Moon?
Neil Armstrong
The larger the star, the…
A) shorter its lifespan.
B) brighter it shines.
C) smaller its mass.
A) the shorter its lifespan
What would happen if a satellite were placed into orbit without enough speed?
It will fall back to Earth.
Which two planets have the asteroid belt between them?
Mars and Jupiter
Mars does not have…
A) an atmosphere
B) a magnetic field
C) a moon
B) a magnetic field
What event marked the start of the Space Age?
The launch of the Sputnik 1.
Why does a comet have a tail?
The comet’s tail forms due to solar radiation and the solar wind. As the comet gets close to the Sun, it heats up, causing gases to be released, which then form the tail.
In what year was ESTCube-1 launched?
2013
What is the name of the large red spot on Jupiter?
The Great Red Spot
On which planet in the solar system, one day lasts longer than an entire year?
On Venus, one day lasts 243 Earth days, while a year lasts 224.7 Earth days.
Which mission was the first to land humans on the Moon?
Apollo 11
What does supernova mean?
A supernova is what happens when a star has reached the end of its life and explodes in a burst of light.
How many Estonian satellites were launched into space? Name them.
ESTCube-1, Koit, Hämarik, ESTCube-2
What is the highest mountain in the Solar System?
A) Olympus Colossus
B) Everest
B) Olympus Mons
C) Rheasilvia
Which dwarf planet is located in the asteroid belt between Mars and Jupiter?
A) Pluto
B) Eris
C) Ceres
D) Haumea
What was the name of the first woman in space?
Sally Ride
How is called a star’s “birthplace,” where new stars are formed from gas and dust.
Nebula
Which NASA satellite studies the Sun and its impact on the Earth?
C) 10,000 years
Although a photon moves at the speed of light, it collides with a large number of other particles, and because of this, it can take up to 170,000 years for a photon to reach the surface of the Sun.
What is the Kuiper Belt?
The Kuiper Belt is a region of the Solar System beyond Neptune’s orbit. It is an area filled with millions of comets, asteroids, and other small bodies made largely of ice.
What planet has the largest number of confirmed moons in the Solar System?
The planet with the largest number of confirmed moons in the Solar System is Saturn with 146 moons.
What year were the first three-dimensional images of the Sun made?
In 2006 NASA's two Solar and Terrestrial Relations Observatory (STEREO) satellites created three-dimensional images of the Sun.
What is the primary difference between an asteroid and a comet?
The primary difference is that asteroids are made of rock and metal, while comets are made of ice and dust, and develop tails when they approach the Sun.
What type of orbit is used by most communication satellites to remain stationary relative to Earth?
A) Polar orbit
B) Sun-synchronous orbit
C) Geostationary orbit
D) Low Earth orbit
C) Geostationary orbit