The correct answer is a). A nebula is a huge cloud of gases and dust in outer space. A nebula is a bit like a star factory as it’s the place where stars form. The correct answer is c). Scientists think that billions of years ago, a giant space object hit Earth. Chunks of rock flew out into space. Then the rocks swirled around and around. They clumped together and made the Moon! The correct answer is b). The Sun is the nearest star to Earth. The correct answer is b). Earth has rivers, lakes and giant oceans. No other planet in the solar system has water like this. The water makes it possible for plants, animals and people to live on Earth. The correct answer is a). Six robot rovers have visited Mars from Earth. The latest robot explorer is called Perseverance. It landed on Mars on 18th February 2021. The correct answer is b). A comet is like a giant snowball made of ice mixed with rock and dust. It can be as big as a town! The correct answer is c). There are 8 planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. The correct answer is b). 12 astronauts have walked on the Moon. The first two astronauts to do this were named Neil Armstrong and Buzz Aldrin. The correct answer is a). Jupiter is the biggest planet in the solar system. It is as wide as 11 planet Earths. The correct answer is c). Pluto is a dwarf planet. A dwarf planet is a small round space object that’s much smaller than big planets such as Earth and Mars.
Results
#1. What is a nebula?
#2. What is the Moon made of?
#3. What is the Sun?
#4. Why is Earth a special planet?
#5. Which planet has robot explorers?
#6. What is a comet?
#7. How many planets are there in the solar system?
#8. How many astronauts have walked on the Moon?
#9. Which planet is the biggest in the solar system?
#10. What is Pluto?