A3:
1. Eclipse glasses or the goggles used by Welders with the specific rated figure.
2. Solar telescopes or binoculars.
3. cameras, binoculars with approved solar filters.
4. Pinhole projector.
5. Visit a nearby planetorium.
1. Eclipse glasses or the goggles used by Welders with the specific rated figure.
2. Solar telescopes or binoculars.
3. cameras, binoculars with approved solar filters.
4. Pinhole projector.
5. Visit a nearby planetorium.
No comments:
Post a Comment