Ingredients. 1  12 ounces, thin dried Chinese egg noodles. 2 tablespoons sesame oil. 2  sauce 3 tablespoons soy sauce. 1 1/2 tablespoons oyster sauce. 3  1 tablespoon peanut or vegetable oil. 1 1/2 teaspoons minced garlic.
Civil twilight. Morning civil twilight begins (civil dawn) when the geometric center of the sun is 6Â° below the horizon and ends at sunrise or when the geometric center of the sun is 0Â°50â² below the horizon.
Astronomical Twilight. This is defined to be the time period when the sun is between 12 and 18 degrees below the horizon at either sunrise or sunset. The sun does not contribute to the illumination of the sky before this time in the morning, or after this time in the evening. In the beginning of morning astronomical twilight and at the end of astronomical twilight in the evening, sky illumination is very faint, and might be undetectable.