Thursday
July 24, 2014

Posts by Jobeth


Total # Posts: 6

Physics
If the Milky Way and the Andromeda galaxies are approximately 2 million light years apart and are moving toward each other at 199 km/sec, how long will it take before the two galaxies collide?

Astronomy
If the Milky Way and the Andromeda galaxies are approximately 2 million light years apart and are moving toward each other at 199 km/sec, how long will it take before the two galaxies collide?

Astronomy
If the Milky Way and the Andromeda galaxies are approximately 2 million light years apart and are moving toward each other at 199 km/sec, how long will it take before the two galaxies collide?

Astronomy
Which of the terrestrial planets has the highest surface gravity? (Hint: if you look at ratios, you need not calculate every surface gravity value explicitly.)

Astronomy
Mass of the Sun = 1.989 x 10^30 kg Mass of Hydrogen Atom = 1.00794 grams If we assume the Sun is made totally of hydrogen, how many hydrogen atoms are contained within the Sun? If the Sun converts hald of these hydrogen atoms into helium over its lifetime of about ten billion ...

Physics
If an outburst of northern lights occurs 3.5 days after a large solar flare is seen, what is the average velocity of the solar wind? Give the answer in meters per second.

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