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.
1 Another way to reduce the power of oxalic acid is to boil the spinach leaves for at least two minutes.  Freezing spinach diminishes its health benefits. The way to get the best from the leaf is to buy it fresh and eat it the same day.