Question

1.Who was Manoj Dutta ? What did he discover? With whose help the discovery was done​

Answer 1

Class 8 question right of comet chapter
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Answer 2

Answer:

Manoj Datta is an Indian engineer specialized in geotechnical engineering, foundation engineering, ground engineering, earth dams, landfill engineering and geoenvironmental engineering. He was the Director of Punjab Engineering College and was only the second director after PEC acquired a Deemed University status.Craters and mountains on the Moon.

• The Moon's surface was not smooth and perfect as received wisdom had claimed but rough, with mountains and craters whose shadows changed with the position of the Sun.
• The phases of Venus.
• Jupiter's moons.
• The stars of the Milky Way.
• The first pendulum clock.