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Send Your Name To Mars - Mars 2020 Perseverance - NASA event

Have you ever wondered you are going to travel to Mars? As a common man, it is near too impossible for thinking about the situation but NASA had started a new program called Send Your Name To Mars. Under this program, NASA has started an online form filling. Link to this program will be given. To send your name to mars you have to just go through the link which I will provide you. If you do not know how to fill the form, fill your form with the science behind science- Here is the link   "Send Your Name to Mars: Future Mission" Fill the form fast and make your friends jealous of the boarding pass. But don't make them that jealous share th e link to your friends and family as fast as possible. The link is given here for how to fill form and link for the form:- Share the link fast because forms are filling fast:- https://truesciencebehindscience.blogspot.com/2021/02/send-your-name-to-mars-mars-2020.html First, you have to go through the link given below: The link will direct...
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How dense can any substance be? - Density - truesciencebehindscience

What do you mean by density? Is it just mass / volume or some thing else. Today we will learn about density and how density increases with substance. I know all these seems much simpler for you but the series of increasing density will blow up your mind. So, lets uncover the science behind it-

The term density was given by a Greek physicist and mathematician namely Archimedes. His king ordered him to state that whether some part of gold was stolen from his crown or not without breaking the crown. Archimedes was very confused to complete this task but later when he noticed that when he entered his bath tub some water got displaced from the tub. Then, he just walk out the tun and ran naked on roads in happiness. From here came the concept of Density later called ARCHIMEDES PRINCIPLE.

 Density is just mass/volume in other words, how much mass content is there in a unit of volume i.e it is a measure of mass per volume. The SI unit of density is kg/m3 and it's smaller unit is g/cm3. Density is denoted by D or ρ (rho).

Now let's check the list of density and be ready to be amazed ( here I am not considering gases because gases do not have volume):-

  1. Graphene aerogel (lightest solid known) 0.16g/m3

    This substance is prepared by man by the reduction of graphene oxide. It is 7.5 times much lighter than air. It can be kept on a flower. Such light object is used in many areas according to its properties. 

     If you want to know more about it then you should visit the link given below.

    Read this also: Why is Graphene our future? - Graphene - truesciencebehindscience

  2. Liquid hydrogen 70kg/m3

    This is the liquid state of element hydrogen as it is the lightest element in the universe. When hydrogen gas condensed in a critical temperature which is 33K. This element is used in rocket as a fuel.

  3. Water 1,000kg/m3

    Water is the most essential molecule for the survival of life. This molecule is taken to calculate relative density. This molecule is made by then combination reaction of Hydrogen and oxygen.

  4. Iron 7,874kg/m3

    Iron is the 26th element of periodic table and has a symbol of  Fe. This substance is commonly used by human beings because of its best physical properties such as high tensile strength, electrical conductivity, mechanical strength etc. Iron is used in many sectors and it is also the main constituent of the alloy called steel.

  5. Tungsten  19,280kg/m3

    Tungsten is 74th element of periodic table and has a symbol of W. This element was used in bulb's filament because of its high melting point and other property.

  6. Osmium (densest element) 22,590kg/m

     Osmium is the 76th element of periodic table and it has a symbol of Os. It is used in very hard alloys of fountain pen's tip.

  7. Our sun's core 150,000kg/m3

    Our sun's core is made up of elements such as hydrogen and helium compressed with a pressure of almost 26.5 petapascals. Our sun has very high temperature in its core almost of 15 million degrees celsius. Sun is the main source of energy for us.

  8. Red giant's helium core 1,000,000kg/m3 

    Red giant has its core completely made up of Helium it means they have used all the hydrogen in their core. If their masses will be high and had enough pressure to convert helium atoms to carbon atoms. Then they will live more if not then they will be left as a dwarf star. 

    If you want more information about these then click the link given below:-

    Read this also: Are all stars same? - Life of a star 1 - truesciencebehindscience

  9. Neutron star 100,000,000,000,000,000kg/m3 or (1017kg/m3)

    Neutron star is mostly made up of neutron particle. When the proton and electrons get combined due to high pressure. The neutron star can also turn to be a magnetar which has very strong magnetic field. The neutron star is so dense if you take a tablespoon of its matter then it will weigh around 900 billion kg. The temperature of the neutron star is around 1,000,00K. 

    If you want more information about these then click the link given below:-

     Read this also: Are all stars same? - Life of a star 2 - truesciencebehindscience

  10. Black Hole(Densest object known) ∞kg/m or 1,000,000,000,000,000,000....kg/m3

    Black hole is the most dense object in this universe. Its density is at that extent which we can't measure. Black hole engulfs everything which come in its path including light.  

    If you want more information about these then click the link given below:-

     Read this also: Are all stars same? - Life of a star 2 - truesciencebehindscience 

 The list ends here because nothing is denser than black hole. I know I had skipped many objects because if I will put all of them then the list would have been very long.

Was the above list amazing comment below.

If you like my content then please share it as much as possible. 

If you have any opinions on any scientific topic then comment it down, I will try to post on that topic too.

 Hope all these helps you.

HAIL MOTHERLAND

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