Astronomy Topics
How much does the sun weigh in kg? The sun weighs 1 duodecillion kilograms (two billion billion billion tons). In pounds, it weighs 220 duodecillion. Duodecillion is the fourteenth type of number in the “illions” section of numbers “millions, billion, trillons….”
How many stars are in the universe? Based on current estimates, there are between 200 – 400 billion stars in our galaxy (The Milky Way). There are possibly 100 billion galaxies in the Universe. So taking the average of our galaxy, gives approximately 3 x 1024 stars. So about 3 septillion. This has been equated [...]
How many time zones does Earth have? There are currently 40 world time zones. There are 24 standard time zones plus 16 areas of the world that use time zones divided into 15-30-45 minute increments. Some larger countries cross several timezones: China (about the size of the United States) uses the same time throughout the [...]
How many moons does Jupiter have? Lately, this question has had a changing answer! For many years, we knew of 16 moons for the largest planet in our solar system. In the last few years, about two dozen new moons have been announced by astronomers. However, being announced does not mean that these become “official” moons of [...]
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