SmallWhale

Hydra: The Giant Water Snake in the Sky!

Imagine a super-long snake made of stars, stretching across the night sky! That's Hydra, the biggest constellation!

Images

Hydra (constellation)

Hydra (constellation)

wikipedia
Hubble Eyes Golden Rings of Star Formation
Cosmic collision lights up the darkness
http://www.nasa.gov/image-feature/goddard/hubble-spots-the-layers-of-ngc-3923
Is 'Oumuamua an Interstellar Asteroid or Comet?
M83 - Southern Pinwheel
View of the entire near-infrared sky
Galaxies in Hydra
Hubble Views Stellar Genesis in the Southern Pinwheel
Hubble Snaps Spiral's Profile
Galaxy Cluster Abell 1689
Edge-On Spiral Galaxy ESO 510-G13

Key Facts

Constellation Size
The largest constellation in the night sky. It covers more area than any other.
Visible From
Most of the Earth, especially in the Southern Hemisphere, but parts can be seen from the Northern Hemisphere too.
Best Seen
During spring in the Northern Hemisphere, when it is high in the sky.
Ancient Name
Known as 'Hydra' from ancient Greek, meaning 'water snake'.

Meet the Longest Star Snake!

Hydra is like a giant water snake made of stars! It's the biggest constellation in the whole sky, stretching out super far. It's so long, it would take you a very, very long time to walk from one end to the other. It has lots of stars, but not all of them are super bright, so it looks like a long, winding path of faint lights. It's like a secret treasure map in the dark sky!

Who Named This Star Snake?

Long, long ago, people looked up at the stars and imagined pictures. They saw this long snake shape and decided to call it Hydra, which means 'water snake' in an old language. It's been known for thousands of years! Ancient Greeks told stories about this snake, sometimes saying it was a monster that a hero had to fight. It’s one of the oldest star pictures we know.

Why is Hydra Special?

Hydra is special because it's HUGE! It takes up more space in the sky than any other constellation. It's like the biggest playground in the universe! Because it's so big, it has many different parts. Some parts are easy to see, and others are a bit harder to find. It’s a great constellation for learning about different kinds of stars and how they are arranged.

Finding the Star Snake

Hydra is in the southern part of the sky, but you can see parts of it from many places. It's so big that it's near lots of other constellations. Imagine a giant snake slithering past other animals! It's best seen when the sky is really dark and clear, away from city lights. Look for a long, winding line of stars, and you might just spot a piece of Hydra!

Was this helpful?
W

Based on content from Wikipedia · Licensed under CC BY-SA 4.0