1. The anatomy of stars (Astronomy/Large-scale structure of the cosmos)
A star is a massive, compact body of plasma in outer space held together by its own gravity and sufficiently massive to sustain nuclear fusion in a very dense and hot core. This fusion of atomic nuclei generates energy that is cont...
2. Do UFOs exist - life on other planets is probable (Astronomy/Large-scale structure of the cosmos)
Life oustide of our solar system
Do UFOs really exist? If so, why is it that there is no physical evidence? What are the odds of other planets harboring life?
For centuries manki...
3. What is a Black Hole (Astronomy/Large-scale structure of the cosmos)
What is a Black Hole?
A black hole is a concentration of mass great enough that the force of gravity prevents anything past its event horizon from escaping
it except through quantum tunnelling behaviour (known as Hawking ...
Astronomy 
