Tag: Hubble Space Telescope
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A Distant Twin (Science Advent 22)
(Every day until Christmas, I’ll be posting a science-related image.) Day 22 A melancholy thought: we will probably never see our galaxy from the outside, as distant observers would see it. Traveling that far would take many thousands of years at close to light speed, and even if it were practical to plan such a…
Galileo's Pendulum 