Its five corners represents five continents (according to traditional meaning - Europe, America, Asia, Oceania, Africa), the green color is the symbol of hope. In cases when they use the star outside the flag, they add a letter "E" to it. In Esperanto they call it verda stelo (green star).
Also question is, what is the green star in the sky?
Scientists say no, but observers swear Zubeneschamali, in the constellation Libra the Scales, does look green. Image via SOHO/ ESA/ NASA. Zubeneschamali, aka Beta Librae, is the brightest star in the constellation Libra the Scales. It's just a touch brighter than the other bright star in Libra, called Zubenelgenubi.
Beside above, what is the green flag with a star? The Green Mountain Boys' flag is one of the more well-known flags from the Revolutionary War era. It features a primarily green background and a blue canton in the upper-left corner with 13 white stars. The green is a symbol of Vermont's green mountains, and the 13 stars represent the 13 American colonies.
Accordingly, are there green stars in the universe?
There are no green stars because the 'black-body spectrum' of stars, which describes the amount of light at each wavelength and depends on temperature, doesn't produce the same spectrum of colours as, for example, a rainbow.
Why is Esperanto green?
The green field symbolizes hope, the white symbolizes peace and neutrality, and the five-pointed star represents the five continents (Europe, America, Asia, Oceania, Africa).
