1) What is the 3rd planet in the Solar System? a) Mars b) Earth c) Venus d) Mercury 2) What is the former planet in the Solar System? a) Kepler-37d b) Kepler-37b c) Pluto d) Kepler-37c 3) What is the planet that is very close to the sun and 1st planet in the Solar System? a) Pluto b) Mercury c) Mars d) Venus 4) Who was the 1st person on the moon? a) Neil Armstrong b) Fred Haise c) Georgy Dobrovolsky d) Eugene Cernan 5) How old is the Earth? a) 4.560 million years b) 9.985 billion years c) 1.95 trillion years d) 4.543 billion years e) 9 thousand years f) 9.763 billion years

Astronomy

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？