Choose the INCORRECT answer about white dwarfs:Group of answer choicesThey are the remaining cores of high-mass stars.Electron degeneracy pressure supports them against gravitational collapse.They cool off and get dimmer with time.

Which of the following correctly describes the stages of the life of a star like the sun in the correct order?Group of answer choicesProto-star, red giant, main sequence, white dwarfProto-star, main sequence, red giant, white dwarfWhite dwarf, main sequence, red giant, proto-starRed giant, proto-star, main sequence, white dwarf

Which of the following is the last stage of a star having 20% of the sun's mass?*5 pointsHelium white dwarfCarbon-oxygen white dwarfBlack dwarfSnow white dwarfNone of the above

The most common type of star is*1 pointlow massintermediate masshigh massbrown dwarfs

The first stars would have which of the following properties? (select 5)Be sure to consider what you know about stars from the previous unit! We know what size these stars were, which reveals a lot about their lives! *1 pointSmall sizeLarge sizeExplosive endsEnd in a white dwarfEnd in a supermassive black holeBlue color due to high temperaturesRed color due to low temperaturesLong lifespansShort lifespans

What type of supernova starts as a white dwarf, does not show a lot of hydrogen in their spectrum,  and leaves only a confused companion?