NASA says viewers can use a pinhole projector. This has a small opening and projects an image of the Sun onto a nearby surface. With your back toward the Sun, you can safely view the projected image.
Could this medium-sized, app-free star-projector-night-light combo make the perfect gift for a space fan? We find out.
This palm-sized star projector is a great value and would be the perfect gift to enhance the ambiance of anyone's space.
Industrial strength: the projector array used to create a high ... The result: the image generator NASA developed for the USAF draws more pixels every two seconds than there are people on the ...