球
This Chinese character means ball, sphere.
You can watch how to write this. - (「球」の書き順（筆順）動画 - 漢字書き順辞典)
There are 2 ways to read this, "たま" or "きゅう".
When this is combined with other Chinese characters, this is often read as "きゅう".
For example, "野球 (やきゅう)" means baseball.
"地球 (ちきゅう)" means earth.
"地 (ち)" means ground, earth.
The earth revolves around the sun as it rotates on its own axis.
The reason there are different seasons on the earth is because of the tilt of the earth's axis.
In the northern and southern hemispheres, the seasons are reversed.
By Higashi-Mikawa Kyōjindō Shujin (東三河狂人堂主人)