What is the approximate width of the Lagoon Nebula, an active star-forming region?
Answer
110 light-years across
The Lagoon Nebula, identified as a region actively forming stars where young stars emerge from gas and dust, is characterized by its immense spatial dimensions. Specifically, its width is cited as being approximately 110 light-years across. This scale is often used to illustrate the vastness of active stellar nurseries, contrasting sharply with the much smaller physical sizes of the individual stars being born within them. For comparison, this size is significantly larger than the Orion Nebula (M42) and dwarfs the dimensions typical of later-stage remnants like planetary nebulae.
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