Articles with 'H'
— 2 articles
Hen 1357
— In: Astronomy and spaceThis is a NASA Hubble Space Telescope picture of a recently-formed 'planetary nebula,' known as Hen 1357. This expanding cloud of gas was ejected from the ageing star in the centre. Much of the gas is concentrated in a ring which appears tilted... — full article
Hyperion
— In: Astronomy and spaceHyperion is a moon of Saturn discovered by William Cranch Bond, George Phillips Bond and William Lassell in 1848. It is named after Hyperion, a Titan in Greek mythology. It has a low density indicating that it is composed largely of water ice... — full article
Compendium articles with 'H' — 2
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