What observational evidence proved that gamma ray bursts do not come from objects in our galaxy?
What will be an ideal response?
Gamma ray bursts are observed in every direction in the Universe. If the effect came from our own galaxy, they would occur more often in the region of the Milky Way in which there are a great density of stars.
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The wheelbase on a truck is 2.4 m wide and the truck's center of mass is located along the vertical centerline of the truck and 2.0 m above the bottom of the tires
The truck is going around a banked turn, when it is forced to stop. What is the maximum slope that the bank can have such that the truck will not tip over? A) 26° B) 31° C) 34° D) 39° E) 21°
Pulsars could not be ordinary stars that are pulsating because the pulses are too short
a. True b. False Indicate whether the statement is true or false
A conducting rod with a square cross section (3.0 cm × 3.0 cm) carries a current of 60 A that is uniformly distributed across the cross section. What is the magnitude of the (line) integral 
around a square path (1.5 cm × 1.5 cm) if the path is centered on the center of the rod and lies in a plane perpendicular to the axis of the rod?
A. 14 ?T ? m B. 75 ?T ? m C. 19 ?T ? m D. 57 ?T ? m E. 38 ?T ? m
Explain why galaxy-galaxy interactions are far more common than star-star interactions
What will be an ideal response?