@[email protected] to [email protected] • 16 days agoNASA's solar sail successfully spreads its wings in spacewww.space.comexternal-linkmessage-square69fedilinkarrow-up1486arrow-down11cross-posted to: [email protected]spaceflight[email protected][email protected]
arrow-up1485arrow-down1external-linkNASA's solar sail successfully spreads its wings in spacewww.space.com@[email protected] to [email protected] • 16 days agomessage-square69fedilinkcross-posted to: [email protected]spaceflight[email protected][email protected]
So photons do have mass?
only as long as they exist
Else they don’t. We are talking quantum here.