The sun most important note March 29, 2020 0 Comment The Sun • The Sun is at the centre of the Solar System. • Its size is thirteen lakh times...
Solar System most important point March 29, 2020 0 Comment Star • Clumps of dust and gas in a nebula come together due to gravity and formStars are...
Most important Universe ,Galaxy,The big bang theory March 29, 2020 0 Comment Universe • The universe is commonly defined as the totality of everything that exists, •...