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suppose a spaceship has the mass of a typical ocean cruise ship then it can be assumed that it has a mass of 26 times
describe three major differences between terrestrial planets and jovian planets state what the solar nebula model is
if the slope of the hubble gragh were greater with distance plotted on the axis would the hubble constant be larger or
titan has a radius of 25000 km and a mean density of 22 gcm3 earths moon has a radius of 17370 km and a mean density of
the drake equation was developed in the 1960s by frank drake to estimate the number of possible intelligent
in a paragraph essay answering the following questions concerning star formation and evolutionhow do stars form from
thinking about that mapping process and the use of astronomy in all part of the electromagnetic spectrum from radio to
answering the following questions concerning star formation and evolutionhow do stars form from the interstellar
what provides energy for moons found on planets beyond mars that are still geologically
the cosmic calendarreference the cosmic calendar on page 14 of your text and view the associated video clip found under
1 a star emits light with a peak wavelength of 8900 angstroms 1 angstrom 10-10nbspmeters what type of star is this and
to what density must the matter of a deadnbsp6nbspmnbspstar be compressed in order for the star to disappear inside its
find the orbital period of a star moving in a circular orbit of radius 535 au around the supermassive black hole in
consider a civilization broadcasting a signal with a power of 19times104nbspwatts the arecibo radio telescope which is
a stellar companion of sirius has a temperature of about 27000 kelvin and a luminosity about 1100 of that of the
precession cyclesgiven that earth is about 46 billion 46 times 109 years old how many precession cycles have
sidereal time the time is noon and you see the moon high in the sky in that same month you see the moon at midnight
the time for the moon to complete one orbit around the earth the sidereal period is 27322 days but the time for the
remember how in middle school you learned that speed x time distancenbspsince that equation involves three quantities
calculate the average density of the red giant star in grams per cubic centimeter gcm3 take the stars mass to be 2 x
we want to build a scale model of the solar system we settle on a scale of 1 inch 12720 km ie a 1 inch diameter
moons linear diameter the moons distance from earth is 3844 times 103 km and the angular diameter of the moon is about
the resolving power of the human eye is about 2 two arc minutes how far away would a 1 dollar loony have to be to
first outlinenbspsome advantages and disadvantages of at least two different types of telescopesnbspsome discussion
what are the limiting temperatures in celsius degrees for liquid water at a pressures of 1 atm that is the pressure at