231,343 subscribers and counting ...
The wonderful Andromeda galaxy! Most distant object we can see with the eye alone. Try using the Great Square of Pegasus to find it in a dark sky.
This star in the constellation Cetus varies in brightness over about 11 months. Its next brightness maximum is due in early 2017.
One half of the W of Cassiopeia is more deeply notched than the other half. This deeper V is your “arrow” in the sky, pointing to the Andromeda galaxy.
The Summer Triangle is made up of the three brilliant stars Vega, Deneb and Altair. Look for it this evening in your western sky.
Triangulum galaxy, aka Messier 33. is 2.7 million light-years away, and the third-largest member of our Local Group, after the Milky Way and Andromeda galaxies.
The moon has been taking aim on Jupiter for several mornings. On November 25, they’re closest for the Americas … beautiful as seen from around the world.
Mercury and Saturn are in conjunction on November 23, but hard to spot in the sunset glow. On the mornings of November 24 and 25, the moon appears near Jupiter before dawn.
With clock-like precision, the star Delta Cephei doubles in brightness every 5.36 days. You can notice this brightness change with the eye alone.
Fun time to see a last quarter moon: just after it rises, shortly after midnight. Then the lighted portion points downward, to the sun below your feet.
You can identify the constellation Orion the Hunter easily! Its most recognizable feature is a short, straight line of three medium-bright stars.
See it! Moon sweeps past Venus