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Elliptical galaxies are one of the more common types of galaxies populating the Milky Way Galaxy. NASA photos Translate This Page Andromeda Galaxy (M31) is the Milky Way's closest galactic neighbor and actually influences the movement of our galaxy in ways we can't feel. NASA photo Contact Us

Interested advertisers can contact Warren Wong at warrenw40@gmail.com. Readers with comments can contact Warren Wong at the above email. Phone Number: 1-250-981-9428		Astronomy Tonight Facts of the Day Saturn's rings consist of icy particles ranging in size from tiny motes to house-sized icebergs. The muddy appearance of Mars occurs because the sand on the Red Planet's surface consists primarily of iron oxides. Saturn has the lowest density of any planet in the solar system. In fact, if you filled a solar-system-size pool with water, Saturn would float on top. Mercury's high density means more than half of Mercury must be made of the heavy elements iron and nickel. Pluto is closer to Sol during about 20 years of its nearly 250-year-long orbit.