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Pieu Khan

Lvl 2
4y ago

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Continue Learning about Natural Sciences

How do you xxplain SUPW?

SUPW stands for Socially Useful Productive Work. It is an initiative in schools where students are encouraged to participate in community service projects or vocational activities to develop practical skills and contribute to society. SUPW helps students gain real-world experience, teach them the value of teamwork and leadership, and foster a sense of responsibility towards their community.


Why the astronomers observe stars?

Stars are like the bread crumbs left by the Big Bang. By studying stars scientists get to know the elements that are found in them and how are they connected to us. They also teach us the way the universe works. They illuminate the darkest secrets of the universe.


Will the universe expand forever will it stop or will it reverse itself according to the general theory of relavitiy it all depends on how much matter is within the universe this all depends on what f?

According to the general theory of relativity, the ultimate fate of the universe depends on its density of matter and energy. If the density is above a certain critical value, the universe will stop expanding and eventually collapse in a "Big Crunch." If the density is below this critical value, the universe will continue to expand forever. Current evidence suggests that the universe's expansion is accelerating, indicating a low density and a future where it expands indefinitely.


Why the age of the universe equals 66.6 percent of hubble time?

As far as I understand, the projected age of the universe is about 99.5% of the estimated "Hubble time". The age is projected by applying a correction factor to the inverse Hubble constant. The correction factor applied depends on the value of the cosmological constant. The constant is derived from WMAP observation data, and valued at 0.976. For a flat universe without cosmological constant, the value would have been 0.666, resulting in a projected age 66.6% of the Hubble time.


Who first attempted to calculate the age of the universe?

Georges Lemaître, a Belgian physicist and Catholic priest, was one of the first to propose a computational estimate for the age of the universe. In 1927, he suggested that the universe originated from a "primeval atom" at a specific point in time, although his value for the age of the universe was later revised.