A quasar is a strong X-ray pulsar that emits radiation at set time intervals.
Answer the following statement true (T) or false (F)
False
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A) Explain which star is apparently brighter to you as viewed from Earth on a clear night, a star with a negative value or a star with a positive value. b) If star A has an apparent visual magnitude that is more negative than star B, which is the brighter star?
What will be an ideal response?
If the sum of the external forces exerted on an object is zero, then the sum of the external torques exerted on it must also be zero
A) True B) False
The mer of polyethylene is made from two atoms of ______________and two atoms of hydrogen.
Fill in the blank(s) with the appropriate word(s).
Compared to Uranus, Neptune has a smaller diameter and more mass. What can we conclude from this comparison?
A. Uranus spins faster and therefore has a larger diameter. B. Neptune has higher average density than Uranus. C. Uranus has higher average density than Neptune. D. The statement of the question is incorrect. Uranus is larger and has more mass than Neptune.