How Do You Block out the Sun

By completely covering your windows with aluminum foil, you will not only block the sun, but the aluminum foil will reflect the sun and lower your cooling bills. When putting aluminum foil on your windows, you will need to tape the foil in place with the shiny side facing out.

How big would something have to be to block out the sun?

So, in order to block the entire sun the object needs to have a radius of: If you pick a distance (y), then you can determine z. For example, if the object is as far away as the moon (y = 384,400 km), then the object would need to have a radius of z = 8177 km which is nearly 5 times the size of the moon.

How do I block out the Sun in Windows?

1. Install an Awning. Many people do not know how to blackout a window. …
2. Get a Mesh Liner. …
3. Cover Your Window in Aluminum Foil. …
4. Place Privacy Film on the Windows. …
5. Treat Your Window with Film. …
6. Blackout Shades. …
7. Install Cordless Blackout Window Shades. …
8. Black Out the Light with Curtain Liners.