Confidence votes 210. Antigone is considered a tragic hero, because tragic heroes have several qualities: They are royal, they have a tragic flaw that leads to their downfall, they have an unhappy ending, and lastly the character is worthy of concern. First, Antigone is royalty. This is shown through her bloodline in several ways.
The down feathers of eider ducks provide insulation due to lack of barbules and ability to fluff. Infrared image of a goose, showing its insulating capacities. Down feather structure is important for insulating properties. Eiders insulate their arctic nests with down feathers. Click/tap images for attribution and license information.
How Insulation Works, or Doesn't. It's easy to understand how insulation works if you remember what it's like to wear a goose down jacket outside on a cold winter day. Even though your jacket is light as a feather (more accurately, many thousands of feathers), your body can stay toasty warm.ow Insulation Works, or Doesn't. It's easy to understand how insulation works if you remember what it's like to wear a goose down jacket outside on a cold winter day. Even though your jacket is light as a feather (more accurately, many thousands of feathers), your body can stay toasty warm.