Can we use the momentum of light to propagate spacecrafts in space?

  • #1
as we know light has momentum so theoretically we can use it but is it practical?
(also this is it that light only exerts force if incident on something?)
 

Answers and Replies

  • #2
berkeman
Mentor
59,315
9,457
https://en.wikipedia.org/wiki/Solar_sail

220px-Solarsail_msfc.jpg
 

Attachments

  • 220px-Solarsail_msfc.jpg
    220px-Solarsail_msfc.jpg
    4.4 KB · Views: 241
  • #3
anorlunda
Staff Emeritus
Insights Author
9,283
6,309
  • Like
Likes Hrithik mudaliar

Related Threads on Can we use the momentum of light to propagate spacecrafts in space?

  • Last Post
Replies
0
Views
2K
  • Last Post
2
Replies
27
Views
2K
Replies
3
Views
2K
Replies
33
Views
5K
Replies
8
Views
496
Replies
7
Views
1K
Replies
9
Views
4K
  • Last Post
Replies
1
Views
728
Replies
2
Views
4K
Top