Celestial bodies continued. Solar system in detail. Earth and its atmosphere explained in detail. Miracles in Earth’s atmosphere.
Recitation of the Holy Scripture.
Do they not contemplate within themselves? God has not created the heavens and the earth and what is between them except in truth and for a specified term.
He who has made the earth a firm abode and placed within it rivers and made for it firm mountains and placed between the two seas a barrier. Is there any deity with God? Nay, most of them do not know.
Who responds to the distressed one, when he calls Him and removes the evil and makes you inheritors of the earth? Is there any deity with God? Little is what you remember.
End of Recitation of the Holy Scripture.
O people, I know these few programs are somewhat technical for an average person, but all this is very important. As this program is for all of you so it is necessary to discuss these philosophical, scientific and scholarly debates so that people of interest and intellect in the field of theology get knowledge of science and scientific community get knowledge of Holy Scriptures and that men of understanding will take heed.
Now I will conclude the celestial bodies by entering into the solar system and by giving you a brief overview of various bodies here but before that need to discuss one important object there in the universe far away from us which is called Quasar. Quasar stand for a quasi-stellar radio source, in English quasi means seemingly/apparently. They are incredibly luminous energetic distant active galactic nucleus that surrounds its central supermassive black hole. Quasars exist only in galaxies with supermassive black holes, that contain billions of times the mass of the sun. Quasars are remarkably bright or luminous. They are 100 times more radiant than our entire Milky Way galaxy which contains billions of stars. To put it in simpler terms, the total light emitted by 100 galaxies the size of our Milky Way is less luminous than the light that is released by a quasar. It happens as the matter starts falling into the black hole from the disc of matter around it, the friction between stuff gradually heats up the matter, leading to energy emission. It emits more energy each second than our sun does in 200 years. Quasars are now understood to be a part of objects known as Active Galactic Nuclei (AGN). Is this all designed, created, happening and running by its own. Nay, it is all by the Will and command of your Lord.
Coming to the Solar System it consists of sun, 8 planets consisting of four Terrestrial Planets (Mercury, Venus, Earth, and Mars), four Gas Giants(Jupiter, Saturn, Uranus and Neptune, their moons, Asteroids in Asteroid Belt between Mars & Jupiter, Comets and three officially recognized dwarf planets: Pluto, Haumea and Makemake that exist in an icy zone beyond Neptune called the Kuiper Belt, which is also the point of origin for many comets and other leftover stuff. The solar system is located in the Orion Arm of the Milky Way Galaxy. Mass distribution is Sun 99.8% of total mass of solar system, Comets, Satellites and Minor planets are 0.05%, Jupiter 0.10% and all other planets 0.04%. To give you a size Idea on a smaller scale, Consider sun as an average human size than if you walk to 0.4 Km you will find Mercury like the size of a pea. Then at 0.7 Km Venus like the size of a grape than at 1 Km Earth is also about the size of a grape. Then at 1.5 Km Mars like the size of a bean. Then at 5.2 Km Jupiter Like the size of a large grapefruit. Walk more, and at 9.5 Km you will find Saturn like the size of a Small Grapefruit, Uranus and Neptune at 19.5 and 30.1 Km like a lemon, and Pluto at almost 39.5 Km. The nearest star to solar system Alpha Centauri which is actually 4.37 light-years from the Sun would still be like beyond moon even on this scale of measuring earth at only 1km from the sun. This size idea of planets is also valid in AU Astronomical Units a distance of measurement equal to 149.6 million Km the mean distance from the center of the earth to the center of the sun. As we know that earth is at 1 AU thus only replace kilometers by the Astronomical unit.
I have already told you about the sun in detail in part 17 and 18 therefore now starting from Earth the 3rd planet from the sun. Earth is 4.5Billion years Old, but most of its surface is 100million years old. It consists of 4 layers. The first and upper most layer is Crust which in oceans is 5-10 Km thick and mainly composed of basalt rocks and in continents 30-50 Km thick, composed of granites. The mantle is a layer between the crust and the outer core. Mantle is a rocky silicate layer with an average thickness of 2,886 Km. The composition of Mantle is molten/solid rock (Magma) which is a plastic-like solid. It makes up about 84% of Earth’s volume and is thus the largest part of the earth. It behaves as a viscous fluid and is the place of occurrence of Convection Currents. Convection is the movement of molecules within a fluid and is a mode of heat and mass transfer. Earthquakes occur because of movement of tectonic plates which is due to the movement of Mantle as it comes up because of the temperature of core thru convection currents. Convection current comes up then spread horizontally beneath the crust. When comes a weaker point e.g volcano or any other fault line, the Magma comes up as lava. Magma is called lava when it comes out. So Convection current cause movement of tectonic plates and bumping of two tectonic plates cause an earthquake.
The third layer outer Core is almost 2300Km thick, lies 2,890 km beneath Earth’s surface. Temperature ranges from 3000 to 7000 Celsius. Made up of molten iron and Nickel that spins around inner core and causes earth magnetism. The fourth layer inner Core is 1220Km in radius, lies 5000 Km beneath Earth’s surface composed of an iron-nickel alloy, Temp ranges from 5000 to 7000 Celsius and is surprisingly solid because of high pressure of 3.5 million Atm.
You can clearly see that how miraculous is all this that Earth’s inner core is a solid despite being at more temperature than outer core. This is only because of the physical properties of iron and Nickel. At increased pressure, because of being the innermost layer bearing all the load of this planet it refuses to melt even at high temperatures. For scientists, it’s only a phenomenon of physics, but the reality is that all these laws are working by the Will of you Lord to sustain life here for human beings. So basically our earth’s second layer which is molten and fluid like is spinning over the inner core which is solid and then the crust where we live, it actually floating on the mantle as it is also like a thick viscous fluid. Only consider the inner and outer core, and we see that they, in fact, are like a big dynamo in the center of the earth responsible for earth’s magnetic field thus protecting us from the threatening charged particles from solar wind around the earth known as the Van Allen belts. Is this all designed, created, happening and running by its own. Nay, it is all by the Will and comma