If a planet takes 140 years to orbit its host star, how far is it in units of A.U.?
What will be an ideal response?
5.2 AU
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Now click the second tab (labeled "Terrestrial Planet Temperatures"), then explore what happens as you click the button that allows you to add or remove greenhouse gases. Which terrestrial planet would have its surface temperature the most dramatically changed if its greenhouse gases were removed from its atmosphere?
a. Venus b. Mars c. Mercury d. Earth
Reduced tempatures and growing seasons in Europe following the 1783 Laki eruption were primarily caused by
a) blocking of sunlight by volcanic ash and aerosols b) blanketing of the ground with thick layers of ash c) cold glacial meltwater entering the northern Atlantic in massive quantities
Heat exchangers are important. Explain their use in power plants, including large scale solar power plants
What will be an ideal response?
in the rest frame of the bar?
A. The force is purely electric. B. The force is purely magnetic. C. The force is both electric and magnetic. D. There is no force on the bar’s electrons in this frame.