To locate castor in Gemini using the Moon as a guide, here’s a simple star-hopping method
- Find the Moon
Start by identifying the Moon in the night sky. Its position changes nightly, so check its location relative to Gemini.
o - Locate Gemini
Look for the two bright stars, Castor and Pollux, which represent the heads of the Gemini twins. They are close together and form a noticeable pair.
o - Star-Hop from the Moon
If the Moon is near Gemini, use it as a reference point – move your gaze towards the brighter of the two stars—Pollux—and then to Castor, which is slightly dimmer and to the right of Pollux.
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Castor is a fascinating star system, as it’s actually a three binary stars, meaning it consists of six stars bound together by gravity!
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How to sign binary star in BSL?