File:Geographical and Magnetic Poles.png
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תרשים סכמטי של כדור הארץ
[edit]- A = ציר הסיבוב של כדור הארץ (מסומן בקו ירוק)
- A1 A2 = הקטבים הגאוגרפיים - הנקודות שבהן "חותך" ציר הסיבוב את פני כדור הארץ.
- הגלעין החיצוני (נוזלי) (מסומן בצבע אפור) - שכבה בכדור הארץ שבה נוצר השדה המגנטי, על פי w:he:תאוריית הדינמו.
- B = ציר הדו-קוטביות (מסומן בקו כחול) - הציר המגנטי הדו-קוטבי, המדמה מעין מוט מגנטי, שחלקו הצפוני הוא מגנט שמבחינה פיזיקלית נחשב ל"דרומי" (מסומן ב-S = South = דרום), ואילו חלקו הדרומי נחשב ל"צפוני" (N = North = צפון) מבחינה פיזיקלית. כיום, הזווית בין ציר זה לבין ציר הסיבוב של כדור הארץ היא 11.3°.
- B1 B2 = הקטבים הגאומגנטיים - הנקודות שבהן "חותך" ציר הדו-קוטביות את פני כדור הארץ.
- קווי השדה המגנטי (קווים שחורים דקים) - מתארים את כיוון השדה המגנטי מחוץ לגלעין.
- C1 C2 = הקטבים המגנטיים - הנקודות שבהן קווי השדה המגנטי (מסומנים בקווים שחורים) מאונכים לפני כדור הארץ (זווית של 90° בדיוק בגובה פני הקרקע). הקטבים המגנטיים אינם חופפים לקטבים הגאומגנטיים.
Schematic diagram of the Earth
[edit]- A = Earth's axis of rotation (marked with a green line)
- A1 A2 = the geographical poles - the points at which the axis of rotation "cuts" the axis of rotation of the earth.
- The outer core (liquid) (marked in gray) - a layer on Earth where the magnetic field is formed, according to the dynamo theory.
- B = Bipolar Axis (marked with a blue line) - The bipolar magnetic axis, which simulates a kind of magnetic rod, the northern part of which is a magnet that is physically considered "southern" (marked with S = South = South), while its southern part Is considered "North" (N = North = North) physically. Today, the angle between this axis and the axis of rotation of the Earth is 11.3 °.
- B1 B2 = the geomagnetic poles - the points at which the bipolar axis "cuts" the earth's surface.
- Magnetic field lines (thin black lines) - describe the direction of the magnetic field outside the nucleus.
- C1 C2 = The magnetic poles - the points at which the magnetic field lines (marked with black lines) are perpendicular to the Earth (an angle of 90 ° exactly at ground level). The magnetic poles do not overlap with the geomagnetic poles.
Summary
[edit]DescriptionGeographical and Magnetic Poles.png | A=Geographic poles, B=Geomagnetic poles, C=Magnetic poles |
Date | |
Source | Own work |
Author | DMY |
Licensing
[edit]I, the copyright holder of this work, hereby publish it under the following licenses:
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 09:11, 13 November 2007 | ![]() | 1,028 × 922 (174 KB) | DMY (talk | contribs) | |
20:43, 11 November 2007 | ![]() | 1,028 × 922 (211 KB) | DMY (talk | contribs) | ||
20:23, 11 November 2007 | ![]() | 1,018 × 912 (210 KB) | DMY (talk | contribs) | == Summary == {{Information |Description=A=Geographic poles, B=Geomagnetic poles, C=Magnetic poles |Source=self-made |Date=Nov 3, 2007 |Author= DMY |Permission= |other_versions= }} == Licensing == {{self|GFDL|cc-by-3.0}} |
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