Difference between revisions of "Black Dwarf"
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: When a [[White Dwarf|white dwarf]] [[Radiation|radiate]]s its [[Thermal Energy Store|thermal energy]] it gets darker and darker until it stops [[radiation|radiating]] [[light]] and becomes a '''black dwarf'''. | : When a [[White Dwarf|white dwarf]] [[Radiation|radiate]]s its [[Thermal Energy Store|thermal energy]] it gets darker and darker until it stops [[radiation|radiating]] [[light]] and becomes a '''black dwarf'''. | ||
: There are no '''black dwarves''' in the [[universe]] yet because the [[universe]] hasn't been around long enough for [[White Dwarf|white dwarves]] to have cooled down sufficiently. | : There are no '''black dwarves''' in the [[universe]] yet because the [[universe]] hasn't been around long enough for [[White Dwarf|white dwarves]] to have cooled down sufficiently. | ||
| − | : A '''black dwarf''' is a cold, [[density|dense]] ball of mostly [[ | + | : A '''black dwarf''' is a cold, [[density|dense]] ball of mostly [[Carbon]] around the size of [[planet]] [[Earth]]. |
| + | |||
| + | ===References=== | ||
| + | ====AQA==== | ||
| + | :[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Black dwarf stars, page 252, GCSE Physics, Hodder, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Black dwarf, page 284, GCSE Physics; Student Book, Collins, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/178294558X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294558X&linkCode=as2&tag=nrjc-21&linkId=f0dfb66dafcb0c6e9449e7b1a4ae1ac33 ''Black dwarfs, page 100, GCSE Physics; The Revision Guide, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Black dwarfs, page 234, GCSE Physics; Third Edition, Oxford University Press, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Black dwarfs, pages 318, 319, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA ''] | ||
Latest revision as of 18:57, 19 January 2021
Key Stage 4
Meaning
A black dwarf is a star in the final stage of a low mass star's life in which it no longer radiates any light because it is so cold.
About Black Dwarves
- When a white dwarf radiates its thermal energy it gets darker and darker until it stops radiating light and becomes a black dwarf.
- There are no black dwarves in the universe yet because the universe hasn't been around long enough for white dwarves to have cooled down sufficiently.
- A black dwarf is a cold, dense ball of mostly Carbon around the size of planet Earth.
References
AQA
- Black dwarf stars, page 252, GCSE Physics, Hodder, AQA
- Black dwarf, page 284, GCSE Physics; Student Book, Collins, AQA
- Black dwarfs, page 100, GCSE Physics; The Revision Guide, CGP, AQA
- Black dwarfs, page 234, GCSE Physics; Third Edition, Oxford University Press, AQA
- Black dwarfs, pages 318, 319, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA