With the use of the Hubble Space Telescope, scientists recently discovered a very large star moving with an unusual motion in its galaxy. It is 124 times larger than the sun and is very hot and blue in color. Why does the sun appear to be brighter than this unusual motion star when viewed from Earth

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is