It takes the average reader 5 hours and 44 minutes to read Down of Life by Dr. Ahmed Sayeed
Assuming a reading speed of 250 words per minute. Learn more
There wasn't a single star in the universe until about 180 million years after the big bang. It took that long for gravity to gather clouds of hydrogen and forge them into stars. Many physicists think that vast clouds of dark matter, a still-unknown material that outweighs visible matter by more than five to one, provided a gravitational scaffold for the first galaxies and stars. Once the universe's first stars ignited, the light they unleashed packed enough punch to once again strip electrons from neutral atoms, which are building block of Life, a key chapter of the universe called reionization. In February 2018, an Australian team announced that they may have detected signs of this “cosmic dawn.” By 400 million years after the big bang, the first galaxies were born. In the billions of years since, stars, galaxies, and clusters of galaxies have formed and re-formed—eventually yielding our home galaxy, the Milky Way, and our cosmic home, the solar system. Even now the universe is expanding, and to astronomers' surprise, the pace of expansion is accelerating. It's thought that this acceleration is driven by a force that repels gravity called dark energy. We still don't know what dark energy is, but it’s thought that it makes up 68 percent of the universe's total matter and energy. Dark matter makes up another 27 percent. In essence, all the matter you've ever seen—from your first love to the stars overhead—makes up less than five percent of the universe. This evolution of expanding matter caused into life from the Sun to the Earth.
Down of Life by Dr. Ahmed Sayeed is 342 pages long, and a total of 86,184 words.
This makes it 115% the length of the average book. It also has 105% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 7 hours and 50 minutes to read Down of Life aloud.
Down of Life is suitable for students ages 12 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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