In 2007, researchers at the University of CaliforniaâDavis determined that our Solar System was fully formed at 4.568 billion years ago. They did this by determining the age of stony materials from the asteroid belt.
When to see a doctor. See your doctor immediately if you experience the signs and symptoms of migraine with aura, such as temporary vision loss or floating spots or zigzag lines in your field of vision. Your doctor will need to rule out more-serious conditions, such as a stroke or retinal tear.
Following are some allergic causes of dark circles around the eyes: 1. Seasonal: Seasonal allergies such as food allergies, hay fever, cosmetic allergies and allergens from the workplace or home, cause dark circles.Allergies results in inflammation that expands the tiny blood vessels under eyes.ollowing are some allergic causes of dark circles around the eyes: 1. Seasonal: Seasonal allergies such as food allergies, hay fever, cosmetic allergies and allergens from the workplace or home, cause dark circles. Allergies results in inflammation that expands the tiny blood vessels under eyes.