The important astronomical discoveries did the Gupta's made where The Earth is round. The Earth revolves around the sun and Earth spins on an axis. Thus option 1st, 2nd and 4th are correct.
What is astronomy?
Astronomy refers to the branch of science that includes the investigation of all extraterrestrial events and objects. There were several discoveries made in the field of astronomy.
Astronomy's main focus prior to the development of the telescope and the discovery of the laws of motion and gravity in the 17th century was on observing and forecasting the locations of the Sun, Moon, and planets.
There were some discoveries made in the period of the Gupta's such as they discovered that earth has the round shape, and it revolves around the sun, and it spins on its own axis i.e. rotation and revolution takes place. But it doesn't say of the earth orbits around the moon. Rather it believed that moon rotates around the earth.
Therefore, it can be concluded that option 1st, 2nd and 4th are correct.
Learn more about Astronomy here:
https://brainly.com/question/5165144
#SPJ2
