... these visits, over 2,700 pictures were taken, covering 45% of Mercury's surface ... The majority of Mercury's surface is covered by plains. ... collisions of a meteorites, Mercury's surface is no longer active and remains the ...
... Explanation: The planet Mercury resembles a moon. Mercury 's old surface is heavily cratered like many moons. ... In fact, the Earth is the only planet more dense. A visitor to Mercury's surface would see some strange sights. ...
... on board the spacecraft were designed to measure the atmospheric, surface, and physical characteristics of Mercury and Venus ... Mariner 10 reached Mercury on March 29, 1974, passing over the planet at 705 kilometers (438 miles) above the surface. ...
... Titan, larger than Mercury and slightly smaller than Mars , is the only body in the solar system, other than Earth, that may have oceans and rainfall on its surface, albeit oceans and rain of ethane-methane rather than water. ...
... It has a planet-like atmosphere which is more dense than those of Mercury , Earth , Mars and Pluto . ... The atmospheric pressure near the surface is about 1.6 bars, 60 percent greater than Earth's. Titan's air is predominantly made ...
... the third largest in the solar system, and is about the same size as Mercury ... This is probably due to the icy nature of its surface. ... crust, causing water to spread over the surface and forming bright rays and rings ...