1Atronomy is a study of ________
Universe
2Star is a ball of hot ___ ____ ________ by ____.
gas held together/ gravity
3what are comets made out of?
dust, ice and gas
4Comet have tails. True or false.
true
5Which one have burry outline? comet or asteroid.ou may not use capital letter for your answer.
comet
6Comet have bigger orbits than Asteroids. True or false? You may not use capital letter for your answer.
true
7galaxy is a...
large group of stars, dust, gas and dark matter held together by gravity
8Planets orbit a star, has a _____ shape, has enough _______ to clear the _____ ______ in its orbit. Separate answers with slash ("/"). Add space after slash.
round/ gravity/ space debris
9List the 8 planets. Start with the planet closest to sun. You may not use capital letter or full stop.
mercury, venus, earth, mars, jupiter, saturn, uranus, neptune
10Moon is a s________ that orbits around a ______. Separate answers with slash ("/"). Add space after slash.
satellite/ planet
11Celestial bodies are natural ______ in space. You may not use capital letters for your answer.
bodies
12Jovian planet are planets consisted of gas. True or False? You may not use capital letter for your answer.
true
13What78 are terrestrial planets consisted of? Answer with number.
1. Rocks and metals
2. Gas and ice
3. diamonds and golds
1
14star
a ball of heat-radiation gas that is held together by gravity
15what is gravity
non-contact force of attarction between objects depending on their mass