What compelling evidence links pulsars to neutron stars?
A) Both pulsars and neutron stars can be found in globular star clusters.
B) Pulsars are known to evolve into neutron stars.
C) Only a small, very dense source could rotate that rapidly without flying apart.
D) Pulsars are always found in binary systems with neutron stars.
E) Both pulsars and neutron stars have been discovered near the Sun.
Question 2
Which of the following is not an expected consequence of global warming?
A) an increase in the severity of winter blizzards
B) an increase in the number and intensity of hurricanes
C) melting of polar ice and glaciers
D) the entire Earth warming up by the same amount
Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
Stars vary widely in size.
Classifying the Spectra of Stars
Model for evidence-based clinical decision making.
(a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D
Evidence of early bipedalism