NPR News: For amateur astronomers 'star parties' are the antidote to light-polluted skies

For amateur astronomers, 'star parties' are the antidote to light-polluted skies
Each year in northern Pennsylvania, hundreds of stargazers attend gatherings under increasingly rare dark skies to look for faint galaxies, star clusters and nebulae.

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Làm đẹp Blog 247 June 24, 2023 at 04:00PM
Category Science