CURRENT AFFAIRS

Detailed explanation-1: -International Astronomy Day is celebrated twice a year, close to the first quarter moon of spring and fall - on May 15 and October 9, this year.

Detailed explanation-2: -International Astronomy Day is observed on several days a year to observe celestial objects such as the moon and to share knowledge about astronomy with everyone.

Detailed explanation-3: -Apr29 Fun Holiday – Astronomy Day. Astronomy Day is celebrated twice a year, once in the spring and once in the fall. Look up at the sky and behold the celestial wonders of the universe on Astronomy Day.

Detailed explanation-4: -Astronomy Day is an annual event in the United States and later in other countries, intended to provide a means of interaction between the general public and various astronomy enthusiasts, groups and professionals.

Detailed explanation-5: -Significance of 1609 In 1609, Galileo Galilei first turned one of his telescopes to the night sky and made astounding discoveries that changed mankind’s conception of the world: mountains and craters on the Moon, a plethora of stars invisible to the naked eye, and moons around Jupiter.