Earth will be farthest from Sun on this date; know what Aphelion and Perihelion are | Tech News

Earth will be farthest from Sun on this date; know what Aphelion and Perihelion are

Aphelion occurs every year on July 6, when the Earth is Farthest from the Sun.

| Updated on: Jul 05 2023, 01:20 IST
900-foot wide asteroid, 4 others, tracked hurtling towards Earth, NASA reveals
Earth and Sun
1/5 Asteroid 2023 LG2 – Asteroid 2023 LG2 will make an extremely close approach to the planet tomorrow, July 1. The asteroid, with a width of 80 feet, will approach at a distance of 2.1 million kilometers and at a speed of nearly 9933 kilometers per hour.  (NASA)
Earth and Sun
2/5 Asteroid 2020 NC - Asteroid 2020 NC is another space rock that is currently heading towards Earth and will pass by on July 2. The asteroid is almost 600 feet wide, travelling at almost 27873 kilometers per hour while making its closest approach at 5.3 million kilometers.  (Pixabay)
Earth and Sun
3/5 Asteroid 2023 MT1 – Asteroid 2023 MT1, with a width of nearly 78 feet, will make its closest approach to Earth on July 3. The space rock is already rushing towards Earth at a speed of 18754 kilometers per hour and will miss the planet by a distance of 1.1 million kilometers. (Pixabay)
Earth and Sun
4/5 Asteroid 2023 HO6 – Asteroid 2023 HO6, which is almost feet wide, is heading for Earth and will make a close approach on July 5. This asteroid is heading for Earth at a blistering speed of 27969 kilometers per hour. It will miss Earth at a close distance of 2 million kilometers. (Pixabay)
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5/5 Asteroid 2023 ME4 – Asteroid 2023 ME4 will make its closest approach to Earth on July 6. In terms of size, it is almost 80 feet wide. As per NASA, it will come as close as 1.1 million kilometers and is already moving at a breakneck speed of 38405 kilometers per hour. (NASA)
Earth and Sun
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The farthest distance between the Earth and the Sun is known as Aphelion. (Pixabay)

The Earth orbits the Sun in an elliptical manner and that means there is a time in the year that it comes very close to the Sun and then goes to the farthest distance away from it. However, far does not mean it alters things significantly. The difference is minimal, but nevertheless, very much there. Well, this is the time of Aphelion. On July 6, the Earth will be the farthest from the Sun. You would think this would make the Earth cooler, but no such thing. Despite this fact, the Northern Hemisphere often encounters high temperatures during this time. Northern summer on Earth is 2 to 3 days longer than southern summer -- which gives the Sun even more time to bake the northern continents, reveals NASA.

Aphelion and Perihelion:

So, what do these terms actually mean? "Aphelion" refers Earth being at the farthest distance from the sun. On the other hand, "Perihelion" refers the fact when it is the closest, according to the Almanac. However, Earth's slightly elliptical orbit leads to distinct perihelion and aphelion moments each year. Perihelion occurred on January 4 in 2023, when Earth was 0.98 AU from the sun. However, on July 6, aphelion transpires, with Earth positioned at 1.01 AU from the sun, LiveScience revealed.

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"Sunlight falling on Earth at aphelion is about 7% less intense than it is at perihelion," said Roy Spencer of NASA's Global Hydrology and Climate Center (GHCC).

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Changing seasons

The primary factor behind the changing seasons is Earth's axial tilt of 23.5 degrees. During July, the Northern Hemisphere is tilted towards the sun, resulting in direct and intense sunlight that characterizes the summer. Conversely, the Southern Hemisphere tilts away from the sun, experiencing shorter days and colder temperatures, as reported by LiveScience.

Independence from Solstices:

Aphelion occurs shortly after the June solstice and perihelion aligns with the December solstice. However, these events are not directly linked. Due to this fluctuation, the dates of these occurrences shift by approximately one day every 58 years since the 13th century, as reported by

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First Published Date: 05 Jul, 00:21 IST