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Solar System

The point on the ecliptic

The point on the ecliptic, the Sun's apparent path in the sky, where its declination would be greatest is refered to as what?

One's zenith

If one were located on the Earth's equator, one's zenith would outline the A over a period of one day. What is A?

Acceleration due to gravity above Earth

"How far above the Earth's surface will the acceleration due to gravity be a quarter of what it is on the surface?" I tried to use the g' = (G * m) / r^2 equation (with the mass of the earth as "m") because it was used with a somewhat similar problem in my book about the value of g on the top of Mount Everest, but I came up w

Determination of the horizontal component of the Earth's magnetic field

Here's the background of our experiment. Purpose: In this experiment you will use a current-carrying loop to determine the horizontal component of the earths magnetic field for our locality. (Massachusetts, USA) Apparatus: 1. Circular conducting loop 2. Compass 3. Power supply and powersate 4. Ammeter 5. Wires Theo

Simple Harmonic Motion Of The Center Of The Earth

The gravitational force on a body located a distance R from the center of a uniform spherical mass is due solely to the mass lying at distance r<R or r=R, measured from the center of the sphere. This mass exerts a force as if it were a point mass at the origin. Use the above result to show that if you drill a hole through the