Can you please explain part A more, I don't get why RA is smaller and RD is the bigger one

Q: Solution from part AE=-KE=PE/2 (NOTE: Treat the cloud as two equal masses interacting…

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Q: i) Determine the efficiency of the "annihilation" of a positron with an electron via the reactionee…

A: Introduction of Positron Annihilation: When a positron collides with electron, as their speeds…

Q: Relative Strengths of Absorption Lines lonized Neutral Hydrogen helium helium lonized metals Neutral…

A: in the graph, we have relative strength of absorption lines varies with temperature of spectral…

Q: A celestial object is observed to have a continuous spectrum that peaks at a wavelength of…

A: The celestial object can be modelled as a blackbody and hence satisfy krichoff's laws of radiation.

Q: Estimate how much mass the Sun loses through fusion reactions during its 10-billion-year life. You…

A: Solution:   Converting the year into seconds: 1 year=365 days1 year24 hrs1 day60 mins1 hr60 s1…

Q: *IMPORTANT NOTE: DO NOT make any stars' masses or stage of life answer. reference as a reason to the…

A: Given that both stars have roughly the same surface temperature, and also considering the typical…

Q: QUESTION 3 For the following temperature, select the proper Superpave binder grade at 50% and 98%…

A: Given: Average maximum pavement temperature = 43°±1.5°C minimum pavement temperature = -29°±2.5°C…

Q: Problem 4. Black Holes  The Schwarzschild radius determines the event horizon of a black hole.…

A: Just use the classical formula for escape velocity. And write c for escape velocity. This will give…

Q: Consider the equation from the lab manual: m + fMs (2) T= 2n k Algebraically manipulate the above…

A: In this question we will square both side . And then open the bracket to get result.

Q: 3xx The light from a certain galaxy is red-shifted so that the wavelength of one of its…

A: Solution        Given data The light from a certain galaxy is red-shifted so that the wavelength of…

Q: for question three can you solve the question directly using the formula N=N0e-t/?   given that…

A: Yes , you can directly use that relation. Search the topic radioactive decay , where you can find…

Q: A star of radius tempera ture af 10,000 K. Assuming its perfect radietor, a) Calculete the 6.95 x…

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Q: Match the letter located in the digital spectra above (in the second picture) with the correct…

A: Given : Stellar absorption spectra :

Q: We can use Wien's Law to determine the wavelength of maximum intensity in nanometers for the…

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Q: ATA TABLE Trial Slope (m/s2) Acceleration (m/s²) 1 9.716 Precision 2 3 9.789 9.433 Minimum 9.433…

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Q: galaxy's center but 1

A: That's right, converting between units is definitely a useful skill for astronomers! Since the…

Q: Please explain the steps to find the answer, which equation you are using and why you are using it.…

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Q: The time it takes for a cloud 106,000 AU in radius to collapse in "free-fall to form a new star is…

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Q: 1. Before we go through with tonight's plans we would like to briefly talk about our family history.…

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Q: Part A For each nuclear energy-level diagram in the figure, state whether it represents a nuclear…

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