... form in the crust if the interior of the planet shrank slightly " (Morrison, 74, 1993). It is speculated that it was the solidification of Mercury's metallic core that caused this global shrinkage. Mercury is also " . . . enriched in metal or depleted of rock " (Morrison, 74, 1993). It is also believed that some of the inner core of Mercury is still in a fluid ... slow rotation may be the reason why Venus has no magnetic field. Planets 4 The atmosphere of Venus made up of 98% carbon dioxide and 2% Nitrogen. This atmosphere also has the presence of helium, neon and argon. This is yet ano...

• Word Count: 1722
• Approx Pages: 7
• Grade Level: High School

... . It is said that Mercury rotates Three times for every two trips around the sun. It is speculated that it was the solidification of Mercury's metallic core that caused this global shrinkage. Mercury is also enriched in metal or depleted of rock. It is also believed that some of the inner core of Mercury is still in a fluid state. Scientists also ... this slow rotation may be the reason why Venus has no magnetic field. The atmosphere of Venus made up of 98% carbon dioxide and 2% Nitrogen. This atmosphere also has the presence of helium, neon and argon. This is yet another thing, which ma...

• Word Count: 1818
• Approx Pages: 7
• Grade Level: High School

... form in the crust if the interior of the planet shrank slightly " (Morrison, 74, 1993). It is speculated that it was the solidification of Mercury's metallic core that caused this global shrinkage. Mercury is also " . . . enriched in metal or depleted of rock " (Morrison, 74, 1993). It is also believed that some of the inner core of Mercury is still in a fluid ... slow rotation may be the reason why Venus has no magnetic field. Planets 4 The atmosphere of Venus made up of 98% carbon dioxide and 2% Nitrogen. This atmosphere also has the presence of helium, neon and argon. This is yet ano...

• Word Count: 2403
• Approx Pages: 10
• Grade Level: High School