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Sombrero Galaxy: Quiz


Question 1: The Sombrero Galaxy is located 11.5° west of Spica[6] and 5.5° northeast of ________.
Alpha CorviStarEta CorviBeta Corvi

Question 2: [6] ________ independently discovered the object in 1784 and additionally noted the presence of a "dark stratum" in the galaxy's disc, what is now called a dust lane.
UranusUmbriel (moon)William HerschelTitania (moon)

Question 3: Based on ________ spectroscopy, the dust ring is the primary site of star formation within this galaxy.
UltravioletInfraredElectromagnetic spectrumX-ray

Question 4: The galaxy has an ________ of +9.0, making it easily visible with amateur telescopes.
SupernovaAbsolute magnitudeStarApparent magnitude

Question 5: This emission is actually quite common for ________.
GalaxyRadio galaxyActive galactic nucleusQuasar

Question 6: The large bulge, the central ________, and the dust lane all attract the attention of professional astronomers.
Stellar black holeSagittarius A*Supermassive black holePrimordial black hole

Question 7: In the 1990s, a research group led by John Kormendy demonstrated that a ________ is present within the Sombrero Galaxy.
Primordial black holeSagittarius A*Stellar black holeSupermassive black hole

Question 8: The first method relies on comparing the measured fluxes from planetary nebulae in the Sombrero Galaxy to the known luminosities of planetary nebulae in the ________.
Galactic CenterLocal GroupVirgo SuperclusterMilky Way

Question 9: ________ spectroscopy observations have demonstrated that the nucleus of the Sombrero Galaxy is probably devoid of any significant star formation activity.
X-rayInfraredUltravioletElectromagnetic spectrum

Question 10: The Sombrero Galaxy (also known as M 104 or NGC 4594 ) is an unbarred spiral galaxy in the ________ Virgo.
ConstellationCanis MajorTaurus (constellation)Crux


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