Process of Science: Based on what you learned in this chapter, would you expect life to be able to evolve around first-generation stars in our universe? Why or why not?
What will be an ideal response?
Most would say no, as the first-generation stars should not have yet been enriched with the heavy elements we believe are necessary for life. A student could also argue that life could form without these and our current understanding of life is incomplete.
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Whose work with SETI lead to the discovery of pulsars in 1967?
A) Jocelyn Bell B) Sir Bernard Lovell C) Anthony Hewish D) Martin Schwarzschild E) Stephen Hawking
It is possible to have constant speed, but still be accelerating
Indicate whether the statement is true or false
A parallel plate capacitor of capacitance C0 has plates of area A with separation d between them. When it is connected to a battery of voltage V0, it has charge of magnitude Q0 on its plates. It is then disconnected from the battery and the plates are pulled apart to a separation 2d without discharging them. After the plates are 2d apart, the magnitude of the charge on the plates and the potential difference between them are what?
A.
Q0, 
V0B.
V0C.
D.
E.
A light beam with wavelength 440 nm in a certain material then enters air and its wavelength becomes 577 nm
(a) What is the index of refraction for the material? (b) At what angle with the plane of the surface will the light be totally reflected back into the material?