![]() ![]() estimate the actual distance of these stars from us? Which planets have larger orbital radii terrestrial planets are gas giants? Is the hydrosphere a living thing? What are those white things at night in the sky? What would happen if the Earth crumbled up and became as small as a star? The 21-centimeter line is one of the most important wavelengths in radio astronomy. Physical changes occur when substances are mixed but don't chemically react. ![]() The size, shape, and color of matter may change. No new substance is created during a physical change, although the matter takes a different form. ![]() Trending Questions Is the statement true that unlike planets a dwarf planet cannot have moons? Is this the answer the moon unlike the earth does not rotate so you see the same side of the moon? Why does the sky appear much bluer in some states? Can a spore be seen with the naked eye? Who sings so far away? Why is the heliocentric picture of the solar system called a model of the solar system? What model of the universe that suggests that the sun is the center of the universe was first brought by? What other planets in the solar system have wind? How are lunar and sonar eclipse different and alike? How high up does the troposphere go? Which planet has the lowest inclination to the ecliptic of any planet? A photograph showing circular star trails is evidence that the earth? What units are distances to stars measured in and why? What is the relationship between Vega and Pleiades? Two stars having annual parallax of 0.1 and 0.02 arc seconds respectively.If they appear to have same magnitude. Updated on JanuPhysical changes involve states of matter and energy. ![]()
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