SOLAR SYSTEM
What is the fourth planet from the Sun?
Mars
What type of celestial body is the Sun?
A star
How long does it take the Earth to complete one rotation?
24 hours
What is a small rocky body orbiting the Sun called?
An asteroid
Who was the first person to walk on the Moon?
Niel Armstrong
Which planet is known for its rings?
Saturn
What is the primary source of the Sun's energy?
Nuclear fusion
How long does it take the Moon to orbit the Earth
29.5 days
Where is the asteroid belt located?
Between Mars and Jupiter
Who was the first person in space?
Yuri Gagarin
Which planet has the most moons?
Jupiter
What are sunspots?
Cooler, darker areas on the Sun’s surface
What causes a lunar eclipse?
The Earth casting a shadow on the Moon
What is the main component of a comet's nucleus?
Ice and dust
What is the name of NASA's most famous space telescope?
Hubble Space Telescope
Why do the outer planets take much longer to orbit the Sun compared to the inner planets?
They are farther from the Sun and have larger orbits
What is the outermost layer of the Sun's atmosphere called?
Corona
What causes the different phases of the Moon?
Moon's position relative to the Earth and Sun
How big are meteors?
Range from the size of a pebble to the size of a boulder
What planet did the rover Curiosity explore?
Mars
Name two major differences between the first four planets and the last four planets in our solar system.
The first four planets are small, rocky, and terrestrial; the last four are large gas and ice giants.
The first four orbit closer to the Sun; the last four orbit much farther away.
What gases make up the Sun?
Hydrogen and Helium
Why are there usually two high tides and two low tides each day?
Earth rotates through two bulges of water caused by the Moon’s gravity
What is the difference between a meteor and a meteorite?
A meteor burns up in the atmosphere; a meteorite reaches Earth's surface.
Who first invented the telescope?
Galileo Galilei