Sun, the pivotal element of the solar system, is a middle-aged star that is around 4.6 billion years old. This near-perfect sphere is made up of 70 per cent hydrogen and 28 per cent helium. With the amount of hydrogen left on it, it can survive for another 5 billion years. In the last stages…
The national flag of Paraguay has different emblems on the obverse and reverse sides. The flag has an emblem on the obverse side, which is the national coat of arms of Paraguay that comprises a yellow five-pointed star surrounded by a green wreath capped by the words REPUBLICA DEL PARAGUAY. The emblem on the reverse…
A neutron star is a remnant of a star after it has collapsed due to its own gravity. These stars are composed of subatomic particles called neutrons without any electrical charge. These stars could be two times the mass of the sun. The neutron stars have a very high surface gravity which could be 2…
Space scientists estimate that daily about 40 tons of cosmic or space dust falls on earth. They are studying this dust by collecting them using high-altitude aircraft and satellites. The origin of this dust is not clear. However, it is speculated that in space the asteroids, meteors and comets collide, thus producing dust.
