Ancient astronauts have been described as bi-pedal entities often with beaks or wings, or reptilian looking, gray aliens, ethereal, or humanoid coming and going in space craft of some kind or moving in and out of our dimension.

• 古代太空人被描绘成一种两足动物的实体，经常带有喙（鸟嘴）或者翼，或者像爬虫类的样子，灰色的外星人，天上的人，或者有人的特点的生物在某些宇宙飞船来回走动，在我们的维度上进出。