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.
spinach. It may be green and leafy, but spinach is no nutritional wallflower. This noted muscle builder is a rich source of plant-based omega-3s and folate, which help reduce the risk of heart disease, stroke, and osteoporosis. It's also one of the 10 salad greens healthier than kale. Bonus: Folate also increases blood flow to the nether regions, helping to protect you against age-related sexual issues. And spinach is packed with lutein, a compound that fights macular degeneration. Aim for 1 cup fresh spinach or 1/2 cup cooked per day.