Geography, 21.07.2019 23:00 kitttimothy55
When a galaxy is observed moving toward the earth, what visible radiation (as in, which color) will it emit?
Answers: 1
Geography, 23.06.2019 11:10
Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks
Answers: 2
Geography, 23.06.2019 18:00
Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal
Answers: 3
Geography, 24.06.2019 22:30
In which layer of the atmosphere are the particles so far apart that they can travel hundreds of kilometers without colliding with each other? a.exosphere b.troposphere c.mesosphere d.thermosphere
Answers: 2
Geography, 25.06.2019 06:30
How is desertification affecting the sahel? a. it causes the land easier to farmb. it causes the land to become more aridc. it causes the formation of lakes and pondsd. it causes more people to move to the area.
Answers: 1
When a galaxy is observed moving toward the earth, what visible radiation (as in, which color) will...
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