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.
Not only does one cup of cooked spinach pack 4 grams of fiber, but it's also an excellent source of magnesium. The mineral helps the colon contract and also helps draw water in to flush things through, says Dr. Blaney. In fact, in some cases, she'll give patients a laxative with magnesium in it.