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what is the most important evidence that there is a supermassive black hole at the center of every qso and agn how do
suppose using interferometry one wants to obtain the same resolution from a pair of radio telescope observing at a
a telescope in outer space where there is no problem with seeing has a resolution of 02 arcseconds observing in red
where did the big bang take place please be specific for example it took place everywhere or at a specific
positrons created in the first reaction of the proton-proton chain combine with what particles to convert their entire
what elements were present in the universe when the universe was less than about 1second old which elements were
question why is the temperature of the cosmic microwave background radiation so low please provide the authentic answer
the logic of science theories and observations about stars and galaxies below we have listed a series of scientific
what is the kinetic energy of a 10000 kg asteroid traveling at 10 kms impacting the moonnbspplease show step by step i
on the surface of vesta which type of object would be expected to create the larger crater a 10-km asteroid traveling
which body in the solar system has an atmosphere most similar in composition to earth why be specific
if 10 of the mass of the sun is hot enough to undergo fusion into helium during its lifetime how much energy will be
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
-if earth were tilted 90 degrees which location would be warmer in summer the arctic circle or floridanbspwhy-how would
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