In a greenhouse, the "bubble" or dome around it gives the greenhouse heat. The greenhouse gasses warm the earth very simular to the dome does around the greenhouse.

In a greenhouse, the "bubble" or dome around it gives the greenhouse heat. The greenhouse gasses warm the earth very simular to the dome does around the greenhouse.

In a greenhouse solar energy passes thru glass or plastic, is absorbed by inside objects and reflected back but the radiant heat energy doesn't pass back out so the interior heats up fast and stays warm even if cold outside.  In older times the glass or plastic was specially made green that trapped the right … Read more

In a greenhouse, the "bubble" or dome around it gives the greenhouse heat. The greenhouse gasses warm the earth very simular to the dome does around the greenhouse.