0
What else can I help you with?
What physical law describes the manner in which the intensity of sunlight changes as the observer moves away from the sun?
The physical law that describes how the intensity of sunlight changes as the observer moves away from the sun is known as the inverse square law. This law states that the intensity of sunlight decreases in proportion to the square of the distance from the sun. This means that the farther away an observer is from the sun, the weaker the intensity of sunlight they will experience.
When a star changes its position in the HR diagram it is because the star is?
evolving into a later stage. For example, a G2 star going into a red giant (M type)
What is of the Angle of magnetic north?
That all depends on WHERE on the earth you are located. The angle between the direction to the north geographic pole and the north magnetic pole is different at different places. Go to "Google.com" and search for "magnetic declination". You'll get plenty to read, and ways to determine what the angle is at your location.
What processes are involved in the sunspot cycle?
The sunspot cycle is driven by the sun's magnetic field. This cycle involves the creation, movement, and disappearance of sunspots on the sun's surface over an 11-year period. Changes in the magnetic field cause fluctuations in solar activity, leading to variations in sunspot numbers.
How does the position of the Sun in the sky affect the intensity of sunlight striking Earths surface?
The position of the Sun in the sky affects the intensity of sunlight striking Earth's surface primarily through the angle at which sunlight reaches the ground. When the Sun is higher in the sky, such as during midday, sunlight strikes the Earth more directly, leading to greater intensity and warmth. Conversely, when the Sun is lower on the horizon, sunlight arrives at a more oblique angle, spreading its energy over a larger area and reducing intensity. This variation is also influenced by seasonal changes and geographical location.
What changes in cosmic ray intensity at earth's surface would you expect during periods in which earth's magnetic field passed through a zero phase while undergoing pole reversals?
Cosmic ray intensity at Earth's surface would be greater when Earth's magnetic field passed through a zero phase because magnetic shifting is minimal. Fossil evidence suggests that the periods of no protective magnetic field may have been as important in changing life forms as x-rays have been in the famous heredity studies of fruit flies.
What changes in cosmic-ray intensity at earth's surface would you expect during periods in which earth's magnetic field is passing through a zero phase while undergoing pole reversals?
Cosmic ray intensity at Earth's surface would be greater when Earth's magnetic field passed through a zero phase because magnetic shifting is minimal. Fossil evidence suggests that the periods of no protective magnetic field may have been as important in changing life forms as x-rays have been in the famous heredity studies of fruit flies.
What changes in cosmic ray intensity at earths surface would you expect during periods in which earths magnetic field passed through a zero phase while undergoing pole reversals?
Cosmic ray intensity at Earth's surface would be greater when Earth's magnetic field passed through a zero phase because magnetic shifting is minimal. Fossil evidence suggests that the periods of no protective magnetic field may have been as important in changing life forms as x-rays have been in the famous heredity studies of fruit flies.
Why was the pattern of a alternating reversals of earth's magnetic fields?
The alternating reversals of Earth's magnetic fields are caused by changes in the flow of molten iron within the outer core of the planet. These changes lead to the creation of new magnetic field lines that may be oriented in the opposite direction, resulting in a reversal of the overall magnetic field. The exact mechanisms that trigger these reversals are still not fully understood by scientists.
What has caused the zebra pattern in the rocks of the ocean floor?
Caused by changes in earth's magnetic field over time, especially reversals of the magnetic poles.
What has cause the zebra pattern in the rock of ocean floor?
Caused by changes in earth's magnetic field over time, especially reversals of the magnetic poles.
What has caused the zebra pattern'' in the rock of the ocean floor?
Caused by changes in earth's magnetic field over time, especially reversals of the magnetic poles.
During various times in the geologic past the polarity of Earth's magnetic field has been reversed - True or False?
True. The Earth's magnetic field has undergone numerous reversals throughout its history, with the north and south magnetic poles switching places. These magnetic reversals are recorded in rocks and sediments, providing evidence of past changes in the Earth's magnetic field.
How does the magnetic orientation of lava layers demonstrate reversals of earths magnetic field?
When lava cools and solidifies, magnetic minerals within it align themselves with Earth's magnetic field. By studying the orientation of these minerals in lava layers, scientists can track changes in the Earth's magnetic field over time. Reversals of the Earth's magnetic field are reflected in lava layers as bands of alternating magnetic orientation.
What causes geomagnetic reversals?
Geomagnetic reversals are believed to be caused by changes in the flow of molten iron within the Earth's outer core. As the flow patterns change, it can lead to the weakening and shifting of the Earth's magnetic field, eventually resulting in a reversal of the magnetic poles. The exact mechanism behind these changes is still not fully understood by scientists.
What has casued the zebra pattern in the rock of the ocean floor?
The pattern only appears in images of magnetic field intensity, not really visible. Caused by changes in Earth's magnetic field over time especially reversals of the magnetic poles. "Stripes" represents different ages of rocks as they spread from mid-ocean ridges. Magnetic properties of lavas are set when they cool down and minerals such as magnetite crystallize.
What evidence shows that earth's magnetic field changes?
One piece of evidence is the study of ancient rocks that show reversals in magnetic orientation. Another evidence comes from observations of the movement of the magnetic poles over time. Additionally, observations of magnetic anomalies in the Earth's crust provide further evidence of changes in the magnetic field.
