Atmosphere starry sky light for festival entertainment

An atmosphere starry sky light for festival entertainment, comprising:

• a constellation unit, a planetary unit, a starry sky unit and a background unit, wherein:
• the constellation unit is configured to switch patterns of twelve constellations and perform projection display on the patterns of the twelve constellations;
• the starry sky unit is configured to project a starry sky background;
• the background unit is configured to project patterns of aurora, clouds, and ripples;
• the planetary unit is configured to switch patterns of a planet, and to project and display a planetary image;
• and
• the constellation unit, the planetary unit, the starry sky unit and the background unit form a panoramic image of the cosmic starry sky by superimposing and combining.