DeeVas

  The breakthrough in the scope for aeronomy and atmospheric sciences in India started with the launch of the first sounding rocket (imported from Russia ‘M-100’ and France ‘Centaure’) from Thumba a place near Thiruvananthapuram, Kerala. It was launched in Thumba Equitorial Rocket Launching Stations (TERLS) which is located close to the magnetic equator on 21 November 1963, embarking the Indian space programme. What are sounding rockets?       Sounding rockets ( research rocket) are used to take measurements and do scientific experiments in sub orbital region.      This rocket can travel an altitude of 48 km ( weather balloon) to 145 km(minimum altitude of satellite).      This rocket  payload is very less compared to other rockets,  it carry instruments for measurements and experiments. ROHINI – The series of sounding rockets:          Rohini is a series of sounding rockets developed by Indian Sp...

The sci-fi movies has fascinated us with lots of crazy stuffs, where one of it’s kind is the silicon based life forms.    The abundance and the chemical similarities with carbon made the science fiction authors think about the possibilities of silicon based life forms in their stories. Recent research from the laboratory of Frances Arnold shows, for the first time, that bacteria can create organosilicon compounds. This does not prove that silicon- or organosilicon-based life is possible, but shows that life could be persuaded to incorporate silicon into its basic components. SILICON - A HYPOTHETICAL ALTERNATIVE TO CARBON ·         There are 118 elements in the periodic table, then why many scientists think about the silicon based life forms?       Silicon is 150 times more abundant than carbon in the Earth’s crust, then why no for silicon based lives? ·         We know that silicon an...

   Like a bar magnet, Earth also has a magnetic field tilted 11 °   from the spin axis.  In 1835, Carl Friedrich Gauss measured the Earth’s magnetic field strength.  The Earth’s magnetic field intensity is strong when the field is vertical to the surface ( in the poles) and the intensity is weak when the field is horizontal to the surface (in the equator). It  is not a short range field but it extends beyond the Earth's atmosphere and the strength of the magnetic field is weak so it is measured it in terms of gauss.     Earth has a non-dipolar magnetic field – The north pole and south pole are not in exact opposite directions.    https://www.livescience.com/21668-why-earth-magnetic-field-wonky.html Origin: The earth’s magnetic field is not due to the magnet present in the core .  Earth’s core is made of iron whose curie temperature is about 770 °  C, but Earth’s core hotter than that, s o iron loses it’s magnetic proper...

  There is a common saying, “You can move the mountains”, do you think that is possible?  In analogy, if the entire population on the earth jumps at the same time, will the Earth move? ‘A BIG NOOOOO’ Whatever the condition maybe, whether all the humans are distributed equally or gathered in a particular place on the blue planet, the Earth won’t experience any change. Justifications: 1. Approximately we can calculate, The human population on Earth = 7 billion. Average mass of each person = 60 kg. Total mass of the humans = 420 billion kilogram. The mass of earth is approximately 6*10^24 kilogram. The ratio of mass of humans to that of Earth = (4.2*10^11 / 6*10^24)    = 7*10^-14. Which means the mass of humans is 7*10^-14 times the mass of Earth. We can compare this to an ant jumping on the football. The football won’t undergo any deformation.   2. According to Newton’s III law , “Every action has an equal and opposite reaction”. For jumping yo...