noun
asteroid belt
Astronomical term for the region between Mars and Jupiter where many asteroids orbit. The Japanese synonym 小惑星帯 is more common in educational contexts.
See also: 小惑星帯
アステロイドベルトは火星と木星の間にあります。
The asteroid belt is located between Mars and Jupiter.
Variant with interpunct; less common in running text.
The native Japanese term for asteroid belt, more commonly used in textbooks and general media. アステロイドベルト is a direct loanword and sounds more technical or English-influenced.
Loanword from English 'asteroid belt'.