1) What is the closest star to Earth? a) Mars b) The Sun c) Venus d) Mercury 2) Which of the following is not a terrestrial planet in our solar system? a) Earth b) Mars c) Jupiter d) Venus 3) Which planet is known as the "Red Planet" due to its reddish appearance? a) Venus b) Earth c) Mars d) Jupiter 4) What causes the seasons on Earth? a) The distance from the Sun b) The tilt of Earth's axis c) The speed of Earth's rotation d) The Earth's elliptical orbit 5) Which gas makes up the majority of Earth's atmosphere? a) Oxygen b) Carbon dioxide c) Nitrogen d) Hydrogen 6) What is a light-year? a) A unit of time b) A unit of distance c) A unit of brightness d) A unit of temperature 7) What is a group of stars that form a recognizable pattern in the night sky called? a) Galaxy b) Asteroid c) Constellation d) Meteoroid 8) Which planet in our solar system has the most extensive system of rings? a) Saturn b) Uranus c) Neptune d) Jupiter 9) What is a meteoroid called when it enters Earth's atmosphere and produces a streak of light? a) Meteor b) Comet c) Asteroid d) Nebula 10) What is the name for the study of the universe, including the origin and evolution of stars, galaxies, and the cosmos? a) Geology b) Biology c) Astronomy d) Meteorology

Astronomy

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？