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why are iron meteorites the common type of meteorite to find on earth while ordinary chondrites are the most common
what are the stars that belong to cassiopeia click on them record their names and estimate their positions altitude and
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do you think these differences in distance between locations at the same latitude in the northern and southern
which of the methods in the cosmic distance ladder is the most accurate for finding the distance to the closest stars
question how did eratosthenes estimate the size of earth in 240 bc please provide the authentic solution of this
the earth reflects 29 of the visible light that hits it the earth is 15 x 108 km away from the sun and its radius is
consider a star that has a mass of 16 solar masses determine the lifetime of this star by scaling to the lifetime of
relative position of the sun earth and the moon what do you think study the moon when you look at the moon tonight
in a distant galaxy a star exploded a long time ago and the explosion remained bright for 1 month if we detect the
why is a uniform distribution of matter a reasonable model for the universe on large scaleshow large of a piece of the
how much time passes between eclipses notice the normalized flux values in the eclipse plot does an earth-like planet
when locating polaris in ursa minor constellation and arcturus in booumltes constellation what is the angular
1 the wavelength of a light wave having a frequency of 100000000 hz is meters only enter your numerical answer below -
for questionsnbsp1-3nbspchoose the appropriate moon from this lista titanb ioc europad enceldus1nbspmost volcanically
consider a civilization broadcasting a signal with a power of 13times104 watts the arecibo radio telescope which is
explain two benefits and two drawbacks each for ground-based observatories and space-based telescopes do you believe
1 state newtons first law of motion2 state newtons second law of motion3 state newtons third law of motion4 galileo
frontiers of galaxy evolution abstract understanding the arrangement and advancement of systems through enormous time
in five to six paragraphs i need an essay which discusses the effects of impacts on the terrestrial and non terrestrial
sir isaac newton revolutionized science by defining a set of laws to describe the motion of objects in a 2 to 3
what is the reflectivity in percent needed to keep water at a temperature near its freezing point of 260 k for a planet
earths daylight surface disk absorbs about 1192 w per m2 from the sun using 6400 km for the earths radius how much of
a 1071 km diameter asteroid will make a crater about 10 km in diameter let the asteroid have a density of 3000 kgm3 and
suppose that stars were born at random times over the last 1010 years the rate of star formation is simply the number