New Horizons reveals just how dark space really is – baltimoregaylife

This is much darker than the Hubble Space Telescope leads us to believe.
You may have gazed at the sky while standing in a rural area far from all the city lights. Countless twinkling stars shine in the night sky. The space between those stars is filled with complete darkness. But how dark is this really? And what does this say about the number of galaxies in the observable universe?
Not really blackJust as the sky may appear dark at times, the interstellar space is not completely black even there….

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