Bob the Alien's Tour of the Solar System
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H


Word Meaning
Halimede Moon of Neptune. Halimede was discovered in 2002 by a team of astronomers headed by Matthew J Holman. It is the fifth most distant moon of Neptune, only 60 kilometres (37 miles) in diameter and orbiting at 15,728,000 km (9,772,926 miles) from the planet.
Harpalyke moon of jupiter
Hati
Heat Shield A protective covering of a spacecraft which protects the craft and its crew from the intense heat caused by friction as the spacecraft re-enters Earth's atmosphere. The heat shield of the Space Shuttle is made up of many heat resistant tiles.
Hegemone moon of jupiter
Helike moon of jupiter
Helium The second most common element in the universe after hydrogen. The atmosphere of large gas planets like Jupiter and Saturn is made up of hydrogen and helium. Stars turn their supply of hydrogen into helium, created the light and heat that is necessary for life on planets like Earth..
Hermippe moon of jupiter
Himalia moon of jupiter
Hydrogen The most common element in the universe and also the simplest. Stars in their early life are made up almost entirely of hydrogen. By converting this hydrogen into helium, through a process called binary fission, they produce heat and light.
Hyrrokkin




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