The sun is definitely huge compared to other objects in the solar system. It is big enough to consume all the planets inside it. It even makes up 99% of the entire mass of the solar system. The mass of the sun is 1.9891 x 1030 kg. Making it simple, imagine that it is 333 […]
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Universal time is the measure of time based on the rotation of earth on its axis. Basically, it is measured from the time after midnight in the Greenwich Time zone in England. It is the time when the sun is at 180 degrees longitude. Photo by: Fonadier Creative Commons The UT is the basis of
The National Solar Observatory or NSO is an astronomy organization that focuses on studying the Sun and whose main mission is to advance our knowledge about the Sun, both as an object of astronomy and as a very dominant external factor that influences the Earth. It aims to provide tools, resources, and forefront observational opportunities
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To put it in layman terms, the Sun is simply a massive fusion engine that constantly emits energy into space. This fusion process is called stellar nucleosynthesis. The energy it produces amounts to incredible heat, approximately 383 billion megawatts multiplied by one billion. So why is the Sun so hot? Any machine that produces that
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This is one of the most common questions thrown to astronomers and scientists. Many of us know that our Sun is a star and a star’s final moment is through a very powerful explosion known as a supernova. This is such a very dreadful scenario; however, the Sun will not experience the same fate as
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So how much longer will the Sun be alive? Is it nearing its death? Is it still a baby in astronomical terms? Well, there is no need to worry because the Sun is going to be around for a few more billions of years. So we will be dead for millions and millions of years
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What is the rotation of the sun? Every morning when people see the sun, most have no idea that it is rotating while the Earth and other planets revolve around it. When the Earth rotates, that is when people notice the change between night and day. So that means it takes 24 hours for the
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In elementary science, you are taught that the Sun rises in the east. While this is an accepted generalized fact, you would be surprised to know that there are only two days out of the 365 days in a year when the Sun rises exactly on the east. These two days are the spring equinox
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A sundog, bearing the scientific name parhelion (plural is parhelia) which means “beside the sun” in Greek, is also called a mock Sun or a phantom Sun. This is an atmospheric phenomenon that results to the manifestation of bright spots of light in the horizon. It usually appears in the form of a halo or
To put it simply, the Sun is as big as more than 1 million Earth masses put together. It is 1,287,000 times bigger than a solitary Earth. The Sun has a diameter of 1,392,000 km (865,000 miles) while the Earth’s diameter is only 12,742 km (7,918 miles). In terms of weight, the Sun is 333,000
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