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diameter 100,00 light years

thikness 1,000 light year

Milky Way Galaxy

Infrared image of the core of the Milky Way GalaxyObservation dataTypeSBbc (barred spiral galaxy)Diameter100,000 light years[1]Thickness1,000 light years[1]Number of stars100-400 billion (1-4×1011) [2] [3] [4]Oldest known star13.2 billion years[5]Mass5.8 × 1011 M☉Sun's distance to galactic center26,000 ± 1,400 light-years[citation needed]Sun's galactic rotation period220 million years (negative rotation)[citation needed]Spiral pattern rotation period50 million years[6]Bar pattern rotation period15 to 18 million years[6]Speed relative to CMB rest frame552

a light year is how long it take for the light to reach its place example: 1,000 light years is how long it takes for the light to reach its place answer 1,000 years

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15y ago

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