query: Why Earth’s magnetic field is reversing its direction every few million years?
positive_passages.docid: 155089
positive_passages.text: Geomagnetic reversal?
negative_passages.docid: 363
negative_passages.text: What is the Earth truly rotating about/revolving around?
negative_passages.docid: 58426
negative_passages.text: Proof that the Earth rotates?
negative_passages.docid: 33047
negative_passages.text: Why do we say that the Earth moves around the Sun?
negative_passages.docid: 36719
negative_passages.text: Gravitational time dilation at the earth's center
negative_passages.docid: 113309
negative_passages.text: Why has Earth's core not become solid?
negative_passages.docid: 125127
negative_passages.text: Does time move slower at the equator?
negative_passages.docid: 127454
negative_passages.text: Mechanism by which a moving single electron generates a magnetic field
negative_passages.docid: 110379
negative_passages.text: Why do magnetic field field lines behave the way they do?
negative_passages.docid: 136062
negative_passages.text: Can we get energy from the Earth's rotation?
negative_passages.docid: 125653
negative_passages.text: How does a spinning electron produce a magnetic field?
negative_passages.docid: 92141
negative_passages.text: Why do wheels appear to revolve opposite to the direction they are rotating?
negative_passages.docid: 90503
negative_passages.text: Period of oscillation through a hole in the earth
negative_passages.docid: 148583
negative_passages.text: How fast could Earth spin and sustain life?
negative_passages.docid: 72421
negative_passages.text: Why geologist do not consider molten iron in the magma to be the source of Earth's magnetic field?
negative_passages.docid: 150352
negative_passages.text: Why light moves sideways?
negative_passages.docid: 37062
negative_passages.text: Would it matter if the Earth rotated clockwise?