With it, you can identify and locate constellations and stars. A typical star chart (see below) shows the relative positions of the stars and their brightness. Chart of Winter Sky. To use a star chart to identify stars and constellations, you must first find the one appropriate for the time of year you are observing.
Spinach leaves are an excellent source of vitamin-K. 100 g of fresh greens provides 402% of daily vitamin-K requirements. Vitamin-K plays a vital role in strengthening the bone mass by promoting osteoblastic activity in the bones.
Bunches of fresh raw spinach in a grocery store. Photo Credit DAJ/amana images/Getty Images. Spinach is a healthy source of fiber and contains many nutrients, including vitamin K, calcium, magnesium, folate, vitamin C, iron, manganese, potassium, tryptophan and other vitamins and minerals.