The Secret of the Universe (1991) is a collection of seventeen scientific essays by American writer and scientist
What is dark energy? It's one of the universe's biggest mysteries: more remains unknown than known about dark energy. It affects the universe's expansion, so physicists are able to infer that dark energy makes up roughly 68% of the universe and it appears to be somehow tied to the vacuum of space.
The number 42 is especially significant to fans of science fiction novelist Douglas Adams' “The Hitchhiker's Guide to the Galaxy,” because that number is the answer given by a supercomputer to “the Ultimate Question of Life, the Universe, and Everything.”
It includes living things, planets, stars, galaxies, dust clouds, light, and even time. Before the birth of the Universe, time, space and matter did not exist. The Universe contains billions of galaxies, each containing millions or billions of stars.
The trite answer is that both space and time were created at the big bang about 14 billion years ago, so there is nothing beyond the universe. However, much of the universe exists beyond the observable universe, which is maybe about 90 billion light years across.
Our universe began with an explosion of space itself - the Big Bang. Starting from extremely high density and temperature, space expanded, the universe cooled, and the simplest elements formed. Gravity gradually drew matter together to form the first stars and the first galaxies.
Thanks to dark energy and the accelerated expansion of the Universe, it's physically impossible to even reach all the way to the edge of today's observable Universe; we can only get a third of the way there at maximum.
Highly Electric Hyperion. The title of weirdest moon in the solar system could go to many celestial objects — Jupiter's overly volcanic Io, Neptune's geyser-spewing Triton. But one of the strangest looking is Saturn's Hyperion, a pumice-stone-like irregular rock pockmarked with numerous craters.
Almost every galaxy can be classified as a spiral, elliptical, or irregular galaxy. Only 1-in-10,000 galaxies fall into the rarest category of all: ring galaxies.
The Universe has the same temperature everywhere
The heat of the Big Bang fireball was bottled up in the Universe. It had nowhere to go, so it is still around us today. The weird thing is that its temperature – 2.725°C above absolute zero (–270°C), the lowest temperature possible – is essentially the same everywhere.
Dark matter is called “dark” because it neither emits nor absorbs light. But although it is invisible to us, we know it exists. For instance, stars and galaxies would not move as they do if they were not influenced by the gravity exerted by dark matter.
The deepest secret is that life is not a process of discovery, but a process of creation. You are not discovering yourself, but creating yourself anew. Seek therefore, not to find out Who You Are, but seek to determine Who You Want to Be.
Soul Secrets is mainly about the Team concept but it also covers additional important spiritual topics that will help you view your life from the perspective of your soul and not your mind. This is an important spiritual perspective that will change and improve your life.
The most common have to do with past lies, finances, romantic attraction, sexual behavior, and desire for someone other than your spouse or partner. Family secrets, like abuse and mental-health problems, are high on the list too. Of course, not all of these secrets hurt the secret keeper.
These explosions generate beams of high-energy radiation, called gamma-ray bursts (GRBs), which are considered by astronomers to be the most powerful thing in the universe.
First things first: One hidden secret of life is that your gut knows best. During your biggest moments and decisions in, it is your sounding board, and will truly never steer you wrong. You learn this when you finally let go of the past, because you begin to look at old situations differently.
The strongest material in the universe may be the whimsically named "nuclear pasta." You can find this substance in the crust of neutron stars. This amazing material is super-dense, and is 10 billion times harder to break than steel.
Diamonds might also be formed inside carbon rich stars like what dwarfs. So, as per our current understanding it can be safely said that wood is more rare than diamonds, in the entire galaxy. The extreme heat and pressure combined, actually modified graphite, a crystalline carbon, on the atomic level.
The hottest thing in the Universe (Supernova)
Supernovas are the hottest thing in the Universe as they reach a million degrees Celsius. These explosive events occur when a star between 8 and 40 times more massive than our Sun reaches the end of its stellar lifecycle and explodes when its core collapses. What is this?
Black holes are obviously terrifying: These crushed remnants of a massive star that exploded as a supernova are so massive that nothing, not even light, can escape its grasp.
One rock flying through space can wipe out mankind
Debris is rife in space. While most is harmless to us back on Earth, terrifyingly it takes only a rock with a width of 0.6 miles to threaten our entire species' existence. Even smaller rocks of around 130ft across can cause our planet cataclysmic damage.
It appears that space was created in the Big Bang, 13.8 billion years ago and has been expanding ever since. The overall shape of space is not known, but space is known to be expanding very rapidly due to the cosmic inflation.
Space Environment
So, in order for sound to travel, there has to be something with molecules for it to travel through. On Earth, sound travels to your ears by vibrating air molecules. In deep space, the large empty areas between stars and planets, there are no molecules to vibrate. There is no sound there.
The ultimate fate of an open universe is either universal heat death, a "Big Freeze" (not to be confused with heat death, despite seemingly similar name interpretation ; see §Theories about the end of the universe below), or a "Big Rip" – in particular dark energy, quintessence, and the Big Rip scenario – where the ...