星
This Chinese character means star.
You can watch how to write this. - (「星」の書き順（筆順）動画 - 漢字書き順辞典)
There are 2 main ways to read this, "ほし" or "せい".
When this is combined with other Chinese characters, this is often read as "せい".
For example, "火星 (かせい)" means Mars.
"火 (か)" means fire.
"星座 (せいざ)" means constellation.
"座 (ざ)" means sit or the place to sit.
Since ancient times, scientists have been looking up at the night sky and developing astronomy and physics.
It's more romantic than studying law, political economy, and history, isn't it?
By Higashi-Mikawa Kyōjindō Shujin (東三河狂人堂主人)