The Tadpole galaxy by Hubble, Its eye-catching tail is about 280,000 light-years long. Also known as UGC 10214 and Arp 188, it is a disrupted barred spiral galaxy located 420 million light-years from Earth in the northern constellation Draco. Credit Image: NASA/ESA/HST/STScI.jducer t1_j985d46 wrote
The fact that it would take 2800 lifetimes traveling at the speed of light (assuming 100 years per life) to travel that trail blows my fucking mind….
EmergentSubject2336 t1_j9a6vsd wrote
Yet no time would pass from the photon's perspective.
imsahoamtiskaw t1_j9b10rk wrote
This one always fucks me up. I've heard and understood the explanation many times, but my human brain just doesn't like dealing with time dilation and numbers that big for some reason.
UnifiedGods t1_j9bu1bq wrote
You both do not understand it.
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