EarthSky Tonight—Oct 3, Find the Andromeda galaxy on dark autumn nights
I learned to find the Andromeda galaxy by star-hopping from the Great Square to the two stars marked here – first Mirach, then Mu Andromedae.
EarthSky Tonight—Oct 2, Jupiter is a guide to Great Square
Learn the Great Square of Pegasus tonight, and you can use these stars to star-hop to the Andromeda galaxy
EarthSky Tonight—Sept. 30, What bright star flashes red and green in northeast?
The atmosphere splits or “refracts” the star’s light, just as a prism splits sunlight.
EarthSky Tonight—September 27, Summer Triangle high overhead on autumn evenings
Even as autumn is beginning, we still have several months to watch the large asterism known as the Summer Triangle. T
EarthSky Tonight—Sept 26, The first point of Aries marks March equinox point
Aries often comes first because this constellation marked the sun’s location at the time of the spring equinox between about 1800 B.C. and 1 A.D. Its relationship to the coming…
EarthSky Tonight—September 25, Look for daytime moon after sunrise September 25-28
When is the best time to see the moon in the sky during daylight hours?”
EarthSky Tonight—September 21, Jupiter’s closest opposition since 1963
Today Earth passes between the sun and Jupiter, placing Jupiter opposite the sun in our sky. Astronomers call this event an opposition of Jupiter.
EarthSky Tonight—September 20, Fastest sunsets of the year around equinox time
The fastest sunsets (and sunrises) occur at or near the equinoxes.
EarthSky Tonight—September 7, Use Big Dipper to find Polaris, the North Star
Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Tonight’s chart shows the Polaris, the Big and Little Dippers for a September evening. Notice that a line from the two…
EarthSky Tonight—September 6, Star-hop to Sirius from Orion’s Belt
You can find Orion. Trust me. If you go outside and look southward before dawn now, you will notice Orion’s Belt, which consists of a short, straight row of medium-bright…