The Small Magellanic Cloud resembles a luminous cloud, but it’s really a nearby dwarf galaxy, orbiting our Milky Way.
Posts by Larry Sessions
Come to know this star and be one step further along the path of finding the Andromeda galaxy.
Moon myths, take that! Five of the most common myths about the moon explained.
Closest supermoon of 2015 coming up. Its pull of gravity will create higher-than-usual tides. But gravity doesn’t affect a human body as much as an ocean tide.
Fomalhaut is sometimes called the Loneliest Star. Its planet Fomalhaut b was the first beyond our solar system to be visible to the human eye.
61 Cygni isn’t bright. But it moves exceptionally rapidly against the background of more distant stars. Its motion reveals its nearness to Earth.
Seeing animals in clouds, or a face in the moon, are examples of pareidolia. Look here for photos and to test your own ability to see things that aren’t there.
Deneb is one of the most distant stars you will see with your eye alone. That’s because it’s one of the most luminous stars in the Milky Way galaxy.
Finding star distances isn’t easy. Here’s how it’s done, and why astronomers recently modified the distance estimate to the famous star Betelgeuse.
Altair needs only 10 hours to spin once on its axis, in contrast to roughly a month for our sun. This mighty star spins on its axis more rapidly than Earth!