CoachA constellation is a named pattern of bright stars — a hunter, a swan, a great bear — invented by sky-watchers long ago as a map and a memory aid. The stars of a constellation are not really neighbors; they only line up as seen from Earth. But the patterns are steady: your grandparents learned the very same shapes.
বইগুলো এখনো বাংলা ভাষায় পাওয়া যায় না — ইংরেজি সংস্করণ দেখানো হচ্ছে।
Physics · পরিভাষা