Legends[0] say that the translucent sphere is from light refraction due to the vacuum generated around the craft. The cube inside is the actual craft. 0: https

Legends[0] say that the translucent sphere is from light refraction due to the vacuum generated around the craft. The cube inside is the actual craft. 0: https://www.uaptheory.com/#3_Background_Lensing https://www.uaptheory.com/#3_Background_Lensing