Question

suggest a way to measure:
1) the thickness of a sheet of paper,
2) the distance between the sun and the moon.

Answer 1

1) Whole of them can be put together and tightened in a book with the help of book-binder machine. The thickness is noted by Slide callipers. The figure divided by the number of sheets gives the answers on thickness of each paper.

2) Astronomers take usage of parallax to find distances between objects much farther even than planets. To calculate the distance to a star, astronomers observe it from different places along Earth's orbit around the Sun.

Answer 2

Answer:

Explanation:

1. by intensity of light from sun directly and that of light reflected by Moon.

2. At the time of eclipse, we can find the distance between Earth and Sun and distance between Earth and Moon. Then we subtract or add to get the distance.

3. using the lunar year, Earth's year and distance between earth and moon.