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The Earth is Moving Away From the Sun, But Do Not Be Alarmed_我的网站

A |     Bonny 编译 今天早上，你是被冻醒的吗？          MetService气象学家John Law说，惠灵顿今天只有3度，基督城气温达到了零下6.3度。    The Earth is moving away from the Sun, but don’t expect any cooler temperatures because of it. According to Livescience, the Earth’s average distance from the Sun is increasing, but at a very slow rate of about 2.36 inches a year. That pales in comparison to the variations in the distance between the Earth and the Sun that happens annually because of the planet’s elliptical orbit.,At different times of the year, the Earth can be as little as 91.4 million miles away from the Sun and as much as 94.5 million miles. That 3.1 million mile fluctuation dwarfs any increase that comes from Earth’s growing orbit.,The reason why the Earth is moving away from the largest body in our solar system shows that the solar system is aging. The primary driver behind the movement is the Sun's continuous loss of mass. The Sun runs off of nuclear fusion, which converts its mass into energy that powers life on Earth. Thanks to Einstein, we know that matter and energy cannot be destroyed or created, only converted, which means the Sun’s mass is continually depleting. It will eventually lose 0.1% of its mass before it begins its death cycle billions of years into the future.,Science & TechEarth Beats Own Rotation Record by Ending a 'Day' 1.59ms Faster3 August, 12:51 GMT,While 0.1% sounds like an insignificant number, given the massive size of the Sun, it isn’t. It is equivalent to the entire mass of Jupiter, the largest planet in our solar system, and roughly 318 times the entire mass of Earth. Gravity is determined by the mass of an object so less mass means the Sun’s pull on the Earth is getting slightly weaker over time.,There is another factor, the Earth itself. Just like the gravity from the moon causes the tides of the oceans to rise and fall, Earth’s gravity affects the Sun as well. Its pull causes mass from the Sun to bulge out slightly towards the planet, helping move the Earth along its orbit and further away from the Sun. That movement is even more insignificant than the movement from the loss of the Sun’s mass, it is causing the Earth to move 0.0001 inches away from the Sun annually.,All things being equal, this movement would help lower temperatures slightly after a billion years, with about 0.4% less of the Sun’s energy hitting the Earth after that time. But that will be far less than normal variations in the Sun’s brightness and will be more than offset by the phases in the Sun’s life cycle. Every billion years the Sun is expected to get 6% brighter for the next 5 billion years. After that time, it will run low on hydrogen fuel and begin to bloat into a red giant star.,By that time, the Sun will have already boiled away Earth’s oceans and rendered the planet inhabitable. Most models predict that once the Sun becomes a red giant it will engulf the planet. A few models suggest the planet may survive just outside of the Sun’s reach, but it will be a boiling mass of molten hot lava.,If humans are around at that point, they will have to have mastered planet-moving technologies, if they want to keep the Earth around.。

B |          Advertise with us          奥克兰早上的气温仅4度，但是伴随着冷风，让人感觉只有2度。         对大部分人来说，今天面临的是霜冻天气。         过去几天，来自南部的气流，全国大部分地区都处于高压状态。晴朗的天空，还有微风，是白天热量消失的完美条件。         好消息是，未来几天，气温有望回升。         与此同时，新西兰电网运营商Transpower昨天就发出警告，说今早可能出现停电。         目前情况来看，电力资源仍然非常紧张。风力发电仍然持续，不过北岛的气温比最初预计的更冷，给电力系统带来了压力。

C |          来自Transpower的Chantelle Bramley说，希望新西兰人注意用电，比如把取暖器温度降低1到2度，关闭不需要的照明灯，以确保用电高峰期能顺利度过。         相关阅读：          明晨请减少用电！气温骤降供电不足，可能会停电          与去年截然不同！今晨“冬季式寒潮”席卷全国，奥克兰将出现霜冻          注：本文为编译/原创，欢迎转发分享；但严禁复制等未经授权的非法使用。违反上述声明者，本网将追究其相关法律责任。使用授权请联系[email protected]。         chineseherald.co.nz All Rights Reserved 版权所有          (责编：Bonny)          相关内容                全球首例“牛传人”！新西兰需要担心吗？           明晨请减少用电！气温骤降供电不足，可能会停电           奥克兰一辆建筑卡车翻车，撞上工人后逃逸，造成其重伤           躺平没戏了！政府对领失业补贴的人宣布一项强制要求           与去年截然不同！今晨“冬季式寒潮”席卷全国，奥克兰将出现霜冻           Ponsonby枪击案：嫌疑人为帮派成员，受害者姓名公布           突发！Ponsonby枪击案嫌疑男子死亡！           Ponsonby枪击案：警方公布嫌疑人姓名。

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