Big and Little Dippers in the northern sky on June evenings

Star chart: Big and Little Dippers with red arrow from bowl stars to Polaris.
Here are two asterisms known as the Big and Little Dippers. To find the Little Dipper, use the 2 outer stars in the bowl of the Big Dipper – aka the Pointers – to point to Polaris, the North Star. After locating Polaris – it marks the end of the handle of the Little Dipper – trace out the other stars in the Little Dipper.

Tonight, assuming you’re in the Northern Hemisphere, you can easily find the legendary Big Dipper, called the Plough by our friends in the United Kingdom or the Wagon throughout much of Europe. This familiar star pattern is high in the north at nightfall in June. Find it, and let it be your guide to the Little Dipper.

Indeed, you can find the Big Dipper easily because its shape really resembles a dipper. And it is made up of moderately bright stars. Meanwhile, the Little Dipper isn’t as easy to find. You need a dark sky to see the Little Dipper, so be sure to avoid city lights.

How to find the Dippers

Assuming you’re in the Northern Hemisphere, simply face northward on a June evening and look for a large dipper-like pattern. Which way is north? Rotate around until your left side faces the sunset point. You are now looking toward the north. That easy-to-see pattern high in the sky will be the Big Dipper. Also, notice that the Big Dipper has two parts: a bowl and a handle. The bowl has four stars, and the handle has three. See the two outer stars in the bowl? They’re known as The Pointers because they point to the North Star, which is also known as Polaris.

View straight up through a clearing in tall, golden trees into the starry sky with the Big Dipper in the middle.
The Big Dipper stands out in the night sky. Image via James Wheeler/ Unsplash.

Polaris is the brightest star of the Little Dipper

Once you’ve found Polaris, you can find the Little Dipper. Polaris marks the end of the handle of the Little Dipper. You need a dark night to see the all of the Little Dipper, because it’s fainter than its larger and brighter counterpart. If your skies are not very dark, you might see only the three brightest stars in the Little Dipper. Those three stars are Polaris and the two end stars in the bowl of the Little Dipper.

By the way, can you see the Big Dipper from Earth’s Southern Hemisphere? Yes, if you’re in the southern tropics. However, much farther south, it gets harder because you are farther south on Earth’s globe. So, the Big Dipper sinks closer and closer to the northern horizon.

Meanwhile, Polaris, the North Star, disappears beneath the horizon once you get south of the Earth’s equator.

Big and Little Dipper in skylore

In his classic book Star Names: Their Lore and Meaning, Richard Hinckley Allen claims the Greek constellation Ursa Minor the Lesser Bear – our Little Dipper – was never mentioned in the literary works of Homer (9th century BCE) or Hesiod (8th century BCE). That’s probably because Ursa Minor hadn’t been invented yet.

According to the Greek geographer and historian Strabo (63 BCE to about 21 CE), the seven stars we see today as part of Ursa Minor (the Little Dipper) didn’t carry that name until 600 BCE or so. Before that time, people saw this group of stars outlining the wings of the constellation Draco the Dragon.

When the seafaring Phoenicians visited the Greek philosopher Thales around 600 BCE, they showed him how to navigate by the stars. Purportedly, Thales clipped the Dragon’s wings to create a new constellation, possibly because this new way of looking at the stars enabled Greek sailors to more easily locate the north celestial pole.

However, it’s not just our names for things in the sky that change. The sky itself changes, too. In our day, Polaris closely marks the north celestial pole in the sky. In 600 BCE – thanks to the motion of precession – the stars Kochab and Pherkad more closely marked the position of the north celestial pole.

Read more: Kochab and Pherkad: The Guardians of the Pole

Bottom line: Look for the Big and Little Dippers in the north at nightfall on June evenings.

EarthSky astronomy kits are perfect for beginners. Order today from the EarthSky store

June 4, 2024

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Deborah Byrd

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