At a point of the sea surface, the magnetic anomaly is the measured strength of the magnetic field minus the strength expected there from the Earth’s field alone. It is positive where the rocks below add to the field, negative where they oppose it. It is small compared with the field itself, and measured in nanoteslas ().
বইগুলো এখনো বাংলা ভাষায় পাওয়া যায় না — ইংরেজি সংস্করণ দেখানো হচ্ছে।
Earth and Space Sciences · পরিভাষা