TP if inner planet and JP if outer planets
17. They appear more like stars than planets because they are mostly made up of hydrogen and helium gases.
18. Their surfaces are solid, rock-like and dense.
19. They have no or few moons.
20. They are very large in size but low in density.
WITH EXPLANATION
17. They appear more like stars than planets because they are mostly made up of hydrogen and helium gases.
18. Their surfaces are solid, rock-like and dense.
19. They have no or few moons.
20. They are very large in size but low in density.
WITH EXPLANATION
Answers & Comments
17. JP
18. TP
19. TP
20. JP
The Solar System :)
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