Beyond our Earth：練習問題

Which of the following is the Earth's only natural satellite?

Why does the Moon appear bright in the night sky even though it does not produce its own light?

A lunar eclipse is a natural phenomenon caused by the movements of celestial bodies. Which of the following conditions must be met for a lunar eclipse to occur?

Looking at the surface of the Earth, which of the following statements about the distribution of oceans and continents is correct?

A lunar eclipse occurs when the Moon passes into a specific shadow. Which celestial body casts the shadow that covers the Moon during this event?

When studying the Solar System, we observe that planets like Earth move in a fixed path around the Sun. What is the name of the movement where a planet travels around the Sun, and how does the length of this path change as a planet's distance from the Sun increases?

Explain why a total solar eclipse can only be observed from a very narrow path on the Earth's surface, even though the Moon is positioned directly between the Sun and the Earth.

A science club is preparing a presentation about our place in the universe. Help them complete their notes by answering the following questions about the Earth and the Solar System.

(a) Compare the rotation and revolution of the Earth. In your explanation, state the approximate time taken for each movement and one specific natural cycle or change caused by each.

(b) The planets in our Solar System have unique characteristics. Identify which planets are being described below:
(i) The largest planet in the Solar System.
(ii) The planet known as the "Red Planet" due to iron oxide on its surface.

(c) Occasionally, the Earth, Moon, and Sun align in a specific way to create an eclipse. Describe the relative positions of these three celestial bodies during a lunar eclipse, and explain why the Moon becomes dark during this event.