Galactic
Stellar Birth
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The region of the Horsehead |
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Young stars in the region of the |
Stellar Death
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A dead star within a shroud of nebula, Helix image ISOCAM |
As if stars wished to keep their privacy during these critical stages of their lives, their births and deaths usually occur within thick and opaque clouds of dust (nebulae). But infrared beams manage to escape these dusty regions, enabling ISO to see them.
Extrasolar Planets
The origin of planets
ISO searched for discs or rings of matter around stars. These are considered to be the first stage of planet formation, hence they are called 'protoplanetary discs'.
Last Update: 1 September 2019