15 questions about the life of stars:
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The quiz above includes the following questions:
- A star is a luminous sphere of plasma held by ...
- Stars form in regions of space with higher matter density called ...
- Molecular clouds are mostly composed of ...
- Massive stars in star forming clouds can ...
- The majority of stars spend most of their existence as ...
- Main sequence stars are initially fuelled by the fusion of ...
- Stars are mostly categorised by their ...
- Once low mass stars have depleted their core hydrogen they become ...
- The Sun is considered to be a ...
- At the end of their lives low mass stars blow out their outer shells and leave behind a ...
- Before ignition, a pre-main sequence star, aka a protostar, is usually surrounded by ...
- Over its main sequence stage a star’s proportion of helium at its core will increase and so will its ...
- Since reaching main sequence 4.6 billion years ago, the Sun’s luminosity has increased by about ...
- Stars lose mass through the continual out flow of gas, and this is referred to as ...
- How much of their total mass can stars of 50 solar masses lose over their main sequence phase?