你可能感兴趣的试题
iron. magnesium. silicate. carbon.
Most of the planets of the stars. Stars similar to our sun. Planets similar to the earth. Planets with proper conditions.
iron. magnesium. silicate. carbon.
There are more than two types of red giants. Carbon-rich star releases carbon when it dies. Stardust mainly consists of carbon, iron and silicon. Star reposes during the process of death.
There are more than two types of red giants. Carbon-rich star releases carbon when it dies. Stardust mainly consists of carbon, iron and silicon. Star reposes during the process of death.
what will our future life be like when will our future life be like what our future life will be like when our future life will be like
shed most of its mass to the space and shrink into a dwarf directly. break up into pure water and sand. blow its transparent outermost layer into space by starlight. bloat to a red giant and make carbon from pitch-black dust.
is significant for the explanation of the origin of life. can prevent the Sun from death. is able to well describe the death of white dwarfs. has been proven to be true.
is significant for the explanation of the origin of life. can prevent the Sun from death. is able to well describe the death of white dwarfs. has been proven to be true.
explain-the possible way of death of our Sun. show the two types of red giants. discuss on the way of red giants to become white dwarfs. explore the origin of life.
The planet must be as big and heavy as the earth. Proper conditions are essential to the existence of life. Double stars can provide steady light and heat. The distance between a planet and its sun should be right.
the right amount of atmosphere our own solar system steady heat and light the right distance from the sun
shed most of its mass to the space and shrink into a dwarf directly. break up into pure water and sand. blow its transparent outermost layer into space by starlight. bloat to a red giant and make carbon from pitch-black dust.
湘公网安备 43130202000226号