WebA communications satellite is set in a circular earth orbit of period T = 1 day with the body z axis is always pointed towards the earth as shown in Figure 2. Due to interaction with the earth magnetic fields, a small torque MG acts on the satellite as follows: 𝑀𝐺 = (0.1 𝐢̂ + 1.0 𝐣̂+ 0.2 𝐤̂ … WebTrue. True or false: Earth's rotational axis is always tilted the same direction. For half of the year, the Northern Hemisphere is tilted toward the Sun and the other half of the year the …
Axis - National Geographic Society
WebFrom a vantage point above the north pole of either the Sun or Earth, Earth would appear to revolve in a counterclockwise direction around the Sun. From the same vantage point, … crystal light canada
Why is Polaris the North Star? - NASA
WebMar 14, 2024 · Currently, for instance, Earth's axis points toward a star called Polaris. Polaris, which gets its name because it is almost directly above the North Pole, is the current North Star. Polaris will not always be the North Star, however. Earth's axis is slowly … WebMar 9, 2014 · Summer and winter, the stars in the northern night sky always rotate around the Pole Star, Polaris. This, as I understand it, is because the Earth's north-south axis is by coincidence pointing more or less directly at that star. But given that the tilt of the Earth's axis in relation to the Sun varies quite considerably (giving us our seasons ... WebSo now you can see why Polaris will not always be aligned with the north spin axis of the Earth - because that axis is slowly changing the direction in which it points! Right now, the Earth's rotation axis happens to be pointing almost exactly at Polaris. But in the year 3000 B.C., the North Star was a star called Thuban (also known as Alpha ... dw of georgia fore