Here's why:
* Gold is too heavy: Gold is a dense metal. A gold face shield would be incredibly heavy and impractical for an astronaut to wear.
* Gold is not strong enough: Gold is a soft metal and wouldn't offer the necessary protection against micrometeoroids or debris.
* Gold is expensive: Using gold for face shields would be incredibly costly and unnecessary.
What are astronaut face shields made of?
Astronaut face shields are typically made of polycarbonate, a strong, lightweight, and transparent plastic.
Here are some key reasons for using polycarbonate:
* Lightweight and durable: It's strong enough to withstand impacts and protect the astronaut's face.
* Transparent: It allows for clear visibility.
* Resistant to scratches and abrasion: It can withstand the harsh conditions of space.
* Cost-effective: It's a relatively inexpensive material.