bài 2

1, bigger than

2,farther 

3,closer

bài 3

1, the mercury is closer to sun than the earth and the mar.

2,the mercury is hotter than the earth and the mar.

3,the neptune is farth than the saturn and the uranus

baif 1

1, When you look up at the night sky, assuming conditions are just right, you might just catch a glimpse of a faint, white band reaching across the heavens. This band, upon closer observation, looks speckled and dusty, filled with a million tiny points of light and halos of glowing matter. What you are seeing is the Milky Way, something that astronomers and stargazers alike have been staring up at since the beginning of time.

2,i think Big Bang explosion

3, it is ozon layer

bài 2

1, bigger than

2,farther 

3,closer

bài 3

1, the mercury is closer to sun than the earth and the mar.

2,the mercury is hotter than the earth and the mar.

3,the neptune is farth than the saturn and the uranus

~ Hok tốt ~