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Description
NASA has released a magnificent image of the Earth's terminator captured from the International Space Station (ISS). This photograph, taken from approximately 267 miles above the Earth, depicts the magnificent border between night and day. The photograph demonstrates a unique visual effect in which the sun's light produces a luminous edge as darkness turns to day.
About Earth's Terminator
The Earth's terminator is a shifting line that separates day and night. This line is the result of the Earth's rotation and position around the Sun. The terminator crosses the Earth twice a day, indicating when the sun rises and sets in most regions. However, at the poles, the terminator creates long periods of daylight or darkness, respectively.
Role Of The Earth's Tilt
The Earth is tilted on its axis by 23.5 degrees. This tilt means that various areas of the Earth receive differing quantities of sunlight throughout the year, causing seasons to shift.
Impact On Seasonal Changes
During the equinoxes, which occur around March 20/21 and September 22/23, the Earth's tilt makes the terminator line straight. This means that sunlight evenly spreads around the Earth, resulting in mild temperatures and steady weather. In contrast, the Earth's tilt is at its maximum around the solstices, which occur around June 20/21 and December 21/22. This causes the terminator to curve, resulting in one half of the Earth having longer days and the other half having shorter days.
Facts About Earth's Terminator
The Earth's terminator is a line that separates day and night due to the planet's rotation.
At the equator, it travels at a speed of around 1,670 kilometers per hour (1,040 mph).
The line shifts location due to the Earth's tilt, changing the length of days and the distribution of sunlight.
In polar regions, the terminator can cause effects similar to the midnight sun.
Satellites frequently show it as a clear line.
Light scattering in the atmosphere can also cause the terminator's position to shift.
Facts About The International Space Station (ISS)
The International Space Station (ISS) circles Earth at approximately 28,000 km/h.
It has been continually occupied since November 2000.
The solar panels are as big as a football field.
The ISS circles Earth approximately 16 times every day.
It is a collaboration between five space agencies: NASA, Roscosmos, ESA, JAXA, and CSA.
Over 240 astronauts from 19 countries have visited it.
The ISS orbits at an altitude of approximately 420 kilometers.
Experiments on the ISS have resulted in advances in medical and materials science.
Over 30 space trips were required to build the International Space Station.
The ISS is expected to be retired in 2024-2028.
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