15 questions about comets:
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The quiz above includes the following questions:
- How large can the coma be?
- Some debris ejected from comets are too large to be swept away by solar radiation, and stay in Earth’s path. When Earth goes through this debris it causes ...
- From which comet does the Perseid meteor shower (which happens yearly August 9-13) originate?
- Halley’s Comet leaves a trail of debris that is the source of the ...
- Comets can be ejected from their orbit by interaction with an object in the Solar System (usually Jupiter). This interaction can shift the comets’ orbit into a ...
- Most comets eventually exhaust their volatile material and become objects resembling ...
- Comets that have ejected all their volatile material are called ...
- Jupiter-family comets have a ‘lifespan’ (before becoming extinct) of roughly ...
- What percentage of near Earth asteroids are thought to be extinct comets?
- Which comet broke up and fell into Jupiter’s atmosphere in 1994?
- Halley’s Comet is a short-period comet which is bright enough to be visible to the naked eye, and has an orbit of 74-79 years. When will Halley’s Comet appear again?
- Bright comets that are visible to the naked eye are called ...
- The first great comet of the 21st century was ...
- Sungrazing comets come very close to the Sun at perihelion. It is thought that 90% of sungrazers in the Solar System come from ...
- Comet Lovejoy (C/2011 W3) was discovered in 2011, and is famous for diving into the corona of the Sun in 2016 and ...