A Supernova Explosion May Leave Behind Which One or More

Q7: Streams of protons and electrons from the

Q23: The heaviest elements on the earth were

Q24: The number of sunspots<br>A)remains approximately constant.<br>B)increases and

Q26: The distance of a star from the

Q28: A star must have a certain minimum

Q32: Stars at the upper end of the

Q36: The sun will remain its present size

Q40: The star nearest to the sun is

Q43: Relatively few stars become<br>A) members of the

Q45: The temperature of a star directly affects