The planet closest to the sun is Mercury. It is one of the smallest of the nine planets---only a little more than one-third the size of the earth. Seen from the earth, Mercury appears, disappears,...
The sun’s family
The planet earth is part of a family. It is one of nine planets that belong to the sun. We can see some of these planets at night, shining like bright stars. Like the earth and the moon, the other...
On the moon
People have visited the moon and walked on it, so we know what the surface of the moon is like. This big ball of gray rock has broad, flat plains covered with powdery rock dust. There are rugged...
The far side of the moon
For hundreds of years, ever since people have known that the moon was like a planet, they have wondered about something. They have wondered what the far side of the moon was like. You see, even...
Shadow on the moon
The night is clear and starry. There's a bright, full moon in the sky. But, then, a tiny, curved shadow appears on the edge of the moon. Slowly, the shadow creeps over the moon. More and more of the...
Why the moon “changes”shape
Oh! look at the moon, She is shining up there; Oh! mother, she looks Like a lamp in the air. Last week she was smaller And shaped like a bow; But now she's grown bigger, And round as an 0. ...
Our next-door neighbor
As earth whirls along on its endless journey through space, it has a companion that is always beside it--- the moon. The moon is a small planet. It is only about one-fourth as big as earth. The moon...
Who stole the sun?
It's the middle of the day. The sun hangs big and bright in the sky. But, what's this? The sky seems to be growing dark. Is there going to be a storm? No, there are no clouds. Why is the sky getting...
The four seasons
Summer. Trees burst with thick loads of leaves. Flowers nod in soft, warm breezes. Insects buzz. A blue sky holds a bright, hot sun. Winter. Bare trees stand like bony skeletons against a cold, gray...
Moving into daytime
Imagine that you have awakened very, very early. You look out of a window. The sky is still black, and the whole world seems dark and silent. But as you watch for a long time, the sky slowly turns...