comet

US /ˈkɑ:mət/

UK /ˈkɒmɪt/

B2
n.NounMoving object in space, with a long, bright tail
Haley's Comet can be seen from earth every seventy-six years

Video subtitles

Why does Saturn have rings? | #aumsum

01:04Why does Saturn have rings? | #aumsum

Meet the Interstellar Comet Helping Map the Solar System’s Evolution

04:34Meet the Interstellar Comet Helping Map the Solar System’s Evolution

How Oumuamua Changed The Way We Watch Space

15:59How Oumuamua Changed The Way We Watch Space

How medieval monks are revealing our universe's secrets | BBC Ideas

03:52How medieval monks are revealing our universe's secrets | BBC Ideas