Realitive dating in social studies

However, the concept is mainly used for observations in the visible region of the electromagnetic spectrum. Absolute magnitude is defined as the apparent magnitude of a star at the distance of 10 parsecs or 32.6 light years.

It is a measure of the intrinsic brightness of the celestial body.

Latitude is used to mark the north-south position of a location on the Earth’s surface and ranges from 0 degrees at the equator to 90 degrees at the North and South Poles.

There are 180 degrees of latitude and the distance between each degree of latitude is roughly 69 miles (111 km).

Absolute location can also refer to an address, the street address of the US State Capitol is )Relative location refers to the position of a place or entity based on its location with respect to other locations.

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Here he had deposited his travelling chest in the house of a relative.

Relative location can be expressed in terms of distance, travel time, or cost.

Relative location can also be used to provide geographic context.

He classified stars based on how bright they appear in the sky.

Modern astronomers use a more mathematical approach to this, but the concept has not changed over the time of two millennia. Apparent magnitude is defined as the brightness of a celestial object as measured by an observer on earth, in the absence of the atmosphere.

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