[isaacg]

My bet continues to be optical phenomena - that's why the orbs and other phenomena resemble simple geometric forms, rather than anything with complex structure, service irregularities, etc. Happy to be proven wrong, as this is the most boring explanation, but that's my current hypothesis.

[shepardrtc]

Fifty to sixty military pilots seeing the same thing over and over again while also seeing them on several different sensors isn't convincing enough? I mean I have no idea what they are, but these things are there and they're not just optical illusions.

Edit: NASA hearing on them: https://youtu.be/bQo08JRY0iM?t=2132

[barbariangrunge]

When they say they turn up via multiple types of sensors simultaneously, thats what makes me second guess that theory. It’s still possible, it less likely. Unless there’s some physics involved that I don’t understand, or I misread the stories

[akomtu]

Another possibility is the 3d orbs are not spacecrafts, but 4d periscopes, hence the spherical shape of their tips and the strange motion patterns.

[tpmx]

A very peculiar class of phong-shaded optical phenomena, in that case.