Aquila the Eagle is home to the bright star Altair, which forms one corner in the Summer Triangle. Look for it in the evening sky from July to November.
Capricornus the Sea-goat is can be spotted in September and October, and is formed in the shape of an arrowhead. One Messier object, M30, is found within.
Delphinus the Dolphin is a petite constellation that looks like the animal it's supposed to represent. Look for the dolphin leaping under the Summer Triangle.
Read 9 mind-blowing space facts about Earth, the sun, our galaxy and universe that will surprise and delight you. You'll be a hit at your next dinner party!
Kelly Kizer Whitt - EarthSky’s nature and travel vlogger on YouTube - writes and edits some of the most fascinating stories at EarthSky.org. She's been writing about science, with a focus on astronomy, for decades. She began her career at Astronomy Magazine and made regular contributions to other outlets, including AstronomyToday and the Sierra Club. She has nine published books, including a children's picture book, Solar System Forecast, and a young adult dystopian novel, A Different Sky.