Introductory Astronomy

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In the visual wavelength image above, one moon is circled and is compared with the size of Earth. That moon is named Io. a. True b. False	2 Replies Started by Innermind	Reply by Examonic
In the above cartoon of the Orion constellation, the upper red supergiant star is known as Rigel and the lower right supergiant star is known as Betelgeuse.	2 Replies Started by Jaheller	Reply by Zohan
Of the two colors shown in the image above, the pink colored nebula is the least common.	2 Replies Started by Gabriela	Reply by dabba doo
The visual wavelength image shown above is an object that is found in and near star-forming regions.	2 Replies Started by FSU_Gal	Reply by Old Toad
The above image is an example of a/an _________ nebula.a. dark b. emission c. Bok globule d. reflection	2 Replies Started by Succuba	Reply by Mocce Tib
The above visual wavelength image of the Trapezium cluster shows _________.a. main sequence and protostars b. protostars and YSOs c. YSOs and ZAMS d. ZAMS and protostars	2 Replies Started by Adria80	Reply by Chandler08
The above image is an example of a ________.	2 Replies Started by Duck_Dodger	Reply by stephenking
In the above cartoon image of Orion, where would you find the Orion nebula?	2 Replies Started by quepaso	Reply by Rebel
In the above image, the blue color is from a/an ____________ nebula whereas the pink color is from a/an ___________ nebula.	2 Replies Started by Cobra	Reply by Taylor
The above reactions are of the ___________________.	2 Replies Started by Fancy_Koo	Reply by Alicha
The above visual wavelength image is of a ___________, which is a(n) _________.	2 Replies Started by Arizona State	Reply by mlj15
The diagram below is an H-R diagram. The line indicates the location of the main sequence. Which of the five labeled locations on the H-R diagram indicates a luminosity and temperature similar to that of a T Tauri star?	2 Replies Started by GypsyKitteh	Reply by Astro Mike
Below is a radial velocity curve for a spectroscopic binary. Which of the stars is most massive?	2 Replies Started by Hazard Ellen	Reply by Hannah
On the H-R diagram below, indicate the location of the white dwarf stars.	2 Replies Started by Victoria	Reply by Webster
Which is the binary system, and what is the type, in the above figure?	2 Replies Started by Avimaui	Reply by Matt
As shown in the above spectra, which is taken at two different times, a ________ is concluded.	2 Replies Started by Mireya99	Reply by Lorra
A ___________________ binary is shown in the above simulated spectra.	2 Replies Started by Dougie-Fresh	Reply by zerek14
a b c Predict the next panel in the spectral sequence of the binary star system shown above.	2 Replies Started by Holly	Reply by WalGeo
Where would Class Ia be located on the H-R diagram?	2 Replies Started by harvardhunk	Reply by Schkott
Polaris is 10 times larger than Capella A and both are the same color. How much brighter or dimmer is Polaris to Capella?	2 Replies Started by Dragonella	Reply by frackman_tri

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