QUESTION 64 Sirius, the "dog star", is located 8.6ly from Earth. It has a luminosity of 1×1028 W, a diameter of 2.4x10 km, and a surface temperature of 9,900K. The distance to Sirius in meters is? a. 8.2x1013 m b.1.1x1012 m C. 8.2x1016 m d.9.1x10-16 m e. 1.1x1015 m QUESTION 65 Sirius, the "dog star", is located 8.6ly from Earth. It has a luminosity of 1×1028 W, a diameter of 2.4x106km, and a surface temperature of 9,900K. The Brightness of Sirius as seen from Earth is? a. 6.5x10-6 W/m² b.1.2x10-3 W/m² OC. 9.7×109 W/m² Od. 1.2x10-7 W/m² e. 1.1×10-1 W/m²
QUESTION 64 Sirius, the "dog star", is located 8.6ly from Earth. It has a luminosity of 1×1028 W, a diameter of 2.4x10 km, and a surface temperature of 9,900K. The distance to Sirius in meters is? a. 8.2x1013 m b.1.1x1012 m C. 8.2x1016 m d.9.1x10-16 m e. 1.1x1015 m QUESTION 65 Sirius, the "dog star", is located 8.6ly from Earth. It has a luminosity of 1×1028 W, a diameter of 2.4x106km, and a surface temperature of 9,900K. The Brightness of Sirius as seen from Earth is? a. 6.5x10-6 W/m² b.1.2x10-3 W/m² OC. 9.7×109 W/m² Od. 1.2x10-7 W/m² e. 1.1×10-1 W/m²
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Transcribed Image Text:77
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QUESTION 64
QUESTION 65
81 82
The distance to Sirius in meters is?
a. 8.2x1013 m
b.1.1×10¹2 m
C. 8.2x1016 m
d.9.1x10-16 m
e. 1.1x10¹5 m
QUESTION 66
0
83 84 85
The Brightness of Sirius as seen from Earth is?
a. 6.5×10-6 W/m²
b.1.2x10-3 W/m²
OC. 9.7×109 W/m²
d. 1.2x10-7 W/m²
e. 1.1×10-1 W/m²
2
Sirius, the "dog star", is located 8.6ly from Earth. It has a luminosity of 1x1028 W, a diameter of 2.4x10km, and a surface temperature of 9,900K.
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The angular size of Sirius in arcseconds is?
a.6 1x10-3
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Sirius, the "dog star", is located 8.6ly from Earth. It has a luminosity of 1×1028 W, a diameter of 2.4×10 km, and a surface temperature of 9,900K.
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Sirius, the "dog star", is located 8.6ly from Earth. It has a luminosity of 1×1028 W, a diameter of 2.4x10km, and a surface temperature of 9,900K.
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