Sunlight: World’s most ancient traveller
Sun, the pivotal element of the solar system, is a middle-aged star that is around 4.6 billion years old. This...
Star
What makes the national flag of Paraguay special?
The national flag of Paraguay has different emblems on the obverse and reverse sides. The flag has an emblem on...
What is a neutron star?
A neutron star is a remnant of a star after it has collapsed due to its own gravity. These stars...
How much space dust falls on the earth every day?
Space scientists estimate that daily about 40 tons of cosmic or space dust falls on earth. They are studying this...
