Hercules (constellation)

High school (ages 12+)
Space & Astronomy

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/hercules-constellation

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. How big is the Hercules (constellation)?1,225 square degrees, ranking 5th largest constellation
2. How deep is the Hercules (constellation)?Messier 13 (M13), a globular cluster estimated to contain 100,000-300,000 stars
3. What is the prominent asterism?The 'Keystone' formed by Beta, Gamma, Delta, and Zeta Herculis
4. What is the notable star system?Alpha Herculis (Rasalgethi), a variable red giant star
5. What is Hercules in the sky?Hercules is a big constellation that looks like a hero's shape. It is the fifth largest in the sky and can be seen in summer in the Northern Hemisphere.
6. Why is Hercules called a keystone?The stars Beta, Gamma, Delta, and Zeta form a shape that looks like a keystone, which helps astronomers find other stars.

Celestial Cartography: The mapping and charting of stars, constellations, and other celestial objects.
Globular Cluster: A spherical collection of hundreds of thousands to millions of stars, tightly bound by gravity.
Stellar Evolution: The process of change that a star undergoes throughout its lifetime, from birth to death.
Circumpolar: Referring to stars or constellations that are always visible above the horizon from a particular latitude.