Here’s how to spot Canopus, the 2nd-brightest star in the sky as seen from Earth, on February evenings. Source: https://earthsky.org/brightest-stars/few-know-the-second-brightest-star-canopus…
Tag: keel
What do redshifts tell astronomers?
A redshift reveals how an object is moving in space and enables astronomers to discover otherwise-invisible planets and the movements of galaxies, and to uncover the beginnings of our universe. Source: https://earthsky.org/astronomy-essentials/what-is-a-redshift…
For those at southerly latitudes, Canopus!
If you haven’t seen it yet, it’s time to look for Canopus. Far-northern skywatchers sometimes travel southward in winter, for a glimpse of Canopus above the southern horizon. Source: https://earthsky.org/tonight/for-those-at-southerly-latitudes-canopus…