What are two lines of evidence that indicate that earth is rotating?
What is the motion of the stars at night?
What does the Sun do in the day?
i want to seach features of the earth in its inner structure
To search for features of the Earth's inner structure, you can start by researching the following:
1. Seismic Waves: Scientists use seismic waves, specifically the study of how these waves travel through the Earth's interior, to understand its structure. Earthquakes generate different types of seismic waves that behave differently as they travel through the Earth. By analyzing the speed, direction, and intensity of these waves, scientists can infer the composition and structure of the Earth's interior.
2. Gravity Measurements: Gravity is not uniform across the Earth's surface. By measuring variations in gravity using instruments like gravimeters, scientists can map out the density distribution beneath the Earth's surface. These measurements provide insights into the distribution of solid and fluid materials inside our planet.
It's important to note that studying the Earth's inner structure requires specialized knowledge and equipment. Researching scientific articles, textbooks, or consulting with experts in the field would be helpful in diving deeper into this topic.