Question :
Question
The rapid expansion and then explosion of a red giant : 771095
Question
The rapid expansion and then explosion of a red giant is called a:
A, neutron star B. white dwarf C. pulsar D, black hole E. supernova
35, A supermova
A. Is a small galaxy B. Throws dust and gas into space C Is a small star D. Is an exploded planet
36. During a star's lifetime nuclei of lighter elements (mainly hydrogen and helium) gradually:
A. join to produce nuclei of heavier element-called fusion B release the corona which is radiated by stars C. split to produce nuclei of heavier element called fusion D. split to produce nuclei of heavier element -called fission
37. The nuclear fusion reactions:
A. release the corona which is consumed by stars B, release the corona which is radiated by stars C. release the energy which is consumed by stars D. release the energy which is radiated by stars
38. The matter from which a white dwarf is made may be millions of times than any matter on Earth
A. Cooler B. Denser C. Lighter D. Faster E. Bigger
39. Galaxies are often millions of times closer together than the stars within a galaxy
A. True B. False