1.“Using Light to Study Planets”. Summarize how this article relates to this chapter in your own words in 10 – 15 sentences without copying the text from the article. This question is worth 3 points.
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Get it written →1.“Using Light to Study Planets”. Summarize how this article relates to this chapter in your own words in 10 – 15 sentences without copying the text from the article. This question is worth 3 points.
https://www.jpl.nasa.gov/edu/teach/activity/using-…
2.Name and briefly describe Kirchhoff’s laws of spectra.
a.____________________________________________________________
b.____________________________________________________________
c.____________________________________________________________
3.Describe two ways in which an atom can become excited.
a.____________________________________________________________
b.____________________________________________________________
4.An object at a temperature of 775 K. At what wavelength (in nm) does this object radiate the most energy? ____________
5.A certain star has a peak wavelength in the red end of the visible spectrum, at 645 nm. What is the temperature (in K) of this star?________________
6.Fill in the blank with red or blue: Cool stars tend to be ______ in color, and hot stars tend to be ___________ in color.
7.You can change the charge of an atom by adding or removing the number of _______.
8.Wien’s law quantitatively expresses the relation between a blackbody’s __________ and ____________.
9.Why is the Kelvin temperature scale useful in astronomy? __________________________________________________________________
10.A beta Paschen decay involves an electron jumping from the ______________ to the ________________ energy level.
11.The Stefan Boltzmann law mathematically relates the _________ of a blackbody to the ________.
12.The three different types of atomic spectra are:
a.______________________
b.______________________
c.______________________
13.If a star is moving away from you, explain what happens to the wave length of the light emitted by the star and what kind of Doppler shift do you observe? ___________________________________________________________ .
14.“Bullseye! How DART hit an asteroid 7 million miles away”. Watch this video in “Current events” under “Content” tab.Summarize the events in 10 – 15 sentences
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