Slide 1
... temperatures in northern Europe had their lowest values for the past millennium, with winter temperatures being on average 1 to 2 degrees colder than in later periods. • This period has been called the Little Ice Age. During this period, access to Greenland was largely cut off by ice from 1410 to th ...
... temperatures in northern Europe had their lowest values for the past millennium, with winter temperatures being on average 1 to 2 degrees colder than in later periods. • This period has been called the Little Ice Age. During this period, access to Greenland was largely cut off by ice from 1410 to th ...
Next-Gen - EMP GRID Services
... Congressional EMP Commission estimated that you could protect the whole country for about $2 billion. That's what we give away in foreign aid to Pakistan every year." ...
... Congressional EMP Commission estimated that you could protect the whole country for about $2 billion. That's what we give away in foreign aid to Pakistan every year." ...
Chapter 6 Coupling between the ionosphere and the
... create a zonal component of the tidal electric field, which has been measured by the incoherent scatter radar facility at Jicamarca, Peru. This electric field is very small in amplitude, 1 mV/m, and it is eastward on the dayside and westward in the nightside. The resulting current is the equatorial ...
... create a zonal component of the tidal electric field, which has been measured by the incoherent scatter radar facility at Jicamarca, Peru. This electric field is very small in amplitude, 1 mV/m, and it is eastward on the dayside and westward in the nightside. The resulting current is the equatorial ...
MAGENTIC FIELD
... 2. Construct a series circuit with: the “tangent galvanometer”, an ammeter, and the 0-6 volt power supply. Connect the cables across the contacts with the greatest number of loops (5 & 10) for a total of N = 15 loops. Be sure to connect the ammeter through the unfused 20A socket!! 3. Orient the plan ...
... 2. Construct a series circuit with: the “tangent galvanometer”, an ammeter, and the 0-6 volt power supply. Connect the cables across the contacts with the greatest number of loops (5 & 10) for a total of N = 15 loops. Be sure to connect the ammeter through the unfused 20A socket!! 3. Orient the plan ...
![L 28 Electricity and Magnetism [5]](http://s1.studyres.com/store/data/008057814_1-60bd3a273eeadb9e6de7a28a98376c5d-300x300.png)
681_1.pdf
... examination suggests that 10 of these high charge state ICMEs have associations with solar flares (C7-X6). A further 8 have probable associations, one was associated with a LASCO halo CME with no reported flare, and the associations are unclear for 2 events. Finally, one ICME was embedded in an exte ...
... examination suggests that 10 of these high charge state ICMEs have associations with solar flares (C7-X6). A further 8 have probable associations, one was associated with a LASCO halo CME with no reported flare, and the associations are unclear for 2 events. Finally, one ICME was embedded in an exte ...
Document
... through superb efforts of the SOHO recovery team. All 12 instruments were still us-able, most with no ill effects. Two of the three on-board gyroscopes failed immediately and a third in December 1998. After that, new on-board software that no longer relies on gyroscopes was installed in February 199 ...
... through superb efforts of the SOHO recovery team. All 12 instruments were still us-able, most with no ill effects. Two of the three on-board gyroscopes failed immediately and a third in December 1998. After that, new on-board software that no longer relies on gyroscopes was installed in February 199 ...
Lecture 10 Faradays Law
... The magnetic flux due to the external magnetic field through the enclosed area increases with time The induced current must produce a magnetic field out of the page If the bar moves in the opposite direction, the direction of the induced current will also be reversed ...
... The magnetic flux due to the external magnetic field through the enclosed area increases with time The induced current must produce a magnetic field out of the page If the bar moves in the opposite direction, the direction of the induced current will also be reversed ...
Document
... 3.0 x 105 m/s through a uniform magnetic field of 2.0 T. The velocity of each proton lies in the xz-plane at an angle of 30° to the +z-axis. Find the force on a proton. ...
... 3.0 x 105 m/s through a uniform magnetic field of 2.0 T. The velocity of each proton lies in the xz-plane at an angle of 30° to the +z-axis. Find the force on a proton. ...
Section 25.5 The Origin of the Solar System
... cooling materials can change from a gas directly into a solid. 11. Ice-forming materials ...
... cooling materials can change from a gas directly into a solid. 11. Ice-forming materials ...
Magnetic Fields & Magnetic Field Strength
... • We have seen that magnets can exert a force on objects without touching them. For this reason we speak of a magnetic field around a magnet, in the same way that we speak of an electric field around a charged object. ...
... • We have seen that magnets can exert a force on objects without touching them. For this reason we speak of a magnetic field around a magnet, in the same way that we speak of an electric field around a charged object. ...
Formation of solar system11 Feb Homework 4 • Preparation for Midterm exam (4 March)
... • Small objects (10km) with periods of 100’s years to 1000’s years. • Visible when near the sun. Sunlight boils off gas and frees dust. ...
... • Small objects (10km) with periods of 100’s years to 1000’s years. • Visible when near the sun. Sunlight boils off gas and frees dust. ...
The Formation of Our Solar System
... telescope and discovered 4 moons revolving Jupiter. • He concluded that not everything in the solar system revolved around Earth. ...
... telescope and discovered 4 moons revolving Jupiter. • He concluded that not everything in the solar system revolved around Earth. ...
larger PDF file
... dim outer atmosphere? 7. Where does the solar wind come from? 8. What are sunspots? Why do they appear dark? 9. What is the connection between sunspots and the Sun’s magnetic field? 10. What causes eruptions in the Sun’s atmosphere? ...
... dim outer atmosphere? 7. Where does the solar wind come from? 8. What are sunspots? Why do they appear dark? 9. What is the connection between sunspots and the Sun’s magnetic field? 10. What causes eruptions in the Sun’s atmosphere? ...
Geomagnetic storm
A geomagnetic storm is a temporary disturbance of the Earth's magnetosphere caused by a solar wind shock wave and/or cloud of magnetic field that interacts with the Earth's magnetic field. The increase in the solar wind pressure initially compresses the magnetosphere. The solar wind's magnetic field interacts with the Earth’s magnetic field and transfers an increased energy into the magnetosphere. Both interactions cause an increase in plasma movement through the magnetosphere (driven by increased electric fields inside the magnetosphere) and an increase in electric current in the magnetosphere and ionosphere.During the main phase of a geomagnetic storm, electric current in the magnetosphere creates a magnetic force that pushes out the boundary between the magnetosphere and the solar wind. The disturbance in the interplanetary medium that drives the storm may be due to a solar coronal mass ejection (CME) or a high speed stream (co-rotating interaction region or CIR) of the solar wind originating from a region of weak magnetic field on the Sun’s surface. The frequency of geomagnetic storms increases and decreases with the sunspot cycle. CME driven storms are more common during the maximum of the solar cycle, while CIR driven storms are more common during the minimum of the solar cycle.Several space weather phenomena tend to be associated with or are caused by a geomagnetic storm. These include: solar energetic Particle (SEP) events, geomagnetically induced currents (GIC), ionospheric disturbances that cause radio and radar scintillation, disruption of navigation by magnetic compass and auroral displays at much lower latitudes than normal. In 1989, a geomagnetic storm energized ground induced currents that disrupted electric power distribution throughout most of the province of Quebec and caused aurorae as far south as Texas.