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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Time in deep space
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<blockquote data-quote="Yttrium" data-source="post: 74111727" data-attributes="member: 419693"><p>Things in the cosmos change. Stars move and constellations shift. We receive signals from pulsars that have specifically timed sequences of pulses. The light from stars changes over time. Etc. So yes, there is time out there. We would not receive starlight at all without it.</p><p></p><p></p><p></p><p>It's natural to assume that physics operates the same way throughout the universe, until demonstrated otherwise. So far, everything out there seems to follow that assumption. By all measurements, the Milky Way appears to be a nicely formed spiral galaxy, and it really wouldn't look that way if time was skewed throughout the galaxy. Likewise, the spread of galaxies fits what we'd expect if physics is the same everywhere. Things would probably look really weird with significant time shifts across the universe.</p></blockquote><p></p>
[QUOTE="Yttrium, post: 74111727, member: 419693"] Things in the cosmos change. Stars move and constellations shift. We receive signals from pulsars that have specifically timed sequences of pulses. The light from stars changes over time. Etc. So yes, there is time out there. We would not receive starlight at all without it. It's natural to assume that physics operates the same way throughout the universe, until demonstrated otherwise. So far, everything out there seems to follow that assumption. By all measurements, the Milky Way appears to be a nicely formed spiral galaxy, and it really wouldn't look that way if time was skewed throughout the galaxy. Likewise, the spread of galaxies fits what we'd expect if physics is the same everywhere. Things would probably look really weird with significant time shifts across the universe. [/QUOTE]
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Time in deep space
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