Post category:Astro Physics Post comments:0 Comments First artificial satellite was launched on——– A. 4 Oct 1957 B. 4 Nov 1957 C. 4 Dec 1957 D. None of these Read more articles Previous PostWhich of the following planets has maximum number of Satellites. Next PostA black hole has a very strong _______? You Might Also Like There are …… planets In Solar System February 22, 2022 The Sun’s mass is mainly consist of ____________? September 7, 2021 …… is a 7th and forth largest Planet and coldest of the solar System February 22, 2022 Which of the following planets has maximum number of Satellites. September 14, 2021 The Great Spot is on the planet ______. March 9, 2022 The Sun is a: May 23, 2021 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Δ