![Haydn Belfield on Twitter: "Advanced photolithography is as precise as shining a laser pointer from the Moon and hitting a thumb. https://t.co/YvfzxXysU1" / Twitter Haydn Belfield on Twitter: "Advanced photolithography is as precise as shining a laser pointer from the Moon and hitting a thumb. https://t.co/YvfzxXysU1" / Twitter](https://pbs.twimg.com/media/FaiKxPiaAAQZFsH.png)
Haydn Belfield on Twitter: "Advanced photolithography is as precise as shining a laser pointer from the Moon and hitting a thumb. https://t.co/YvfzxXysU1" / Twitter
![10-3) A laser beam is directed at the Moon, 380,000 km from Earth. The beam diverges at an angle θ - YouTube 10-3) A laser beam is directed at the Moon, 380,000 km from Earth. The beam diverges at an angle θ - YouTube](https://i.ytimg.com/vi/TxXXdbWUqCs/hqdefault.jpg)
10-3) A laser beam is directed at the Moon, 380,000 km from Earth. The beam diverges at an angle θ - YouTube
![If I fired a laser at the moon how wide would the beam be when and if it hits the lunar surface? - Quora If I fired a laser at the moon how wide would the beam be when and if it hits the lunar surface? - Quora](https://qph.cf2.quoracdn.net/main-qimg-c5aa9334bc340ce245e2733abd365523.webp)