3 ms·
Space.com likes to write those kind of titles. However, the observable universe is ~93 billion lights years[0] across so 20-60 light years is relatively close.
by rement 6y ago
Space.com likes to write those kind of titles. However, the observable universe is ~93 billion lights years[0] across so 20-60 light years is relatively close.
[0] https://en.wikipedia.org/wiki/Observable_universe https://en.wikipedia.org/wiki/Observable_universe