The planet Venus, our moon, and Halley's Comet all

A.) Are larger than the earth

B.) are composed of primarily hydrogen.

C.) change speed dramatically as they orbit.

D.) have highly predictable orbits around the sun.

Venus is the second planet of our solar system and is similar in size as compared to Earth. It's atmosphere is mainly composed of carbon dioxide with minor amounts of nitrogen. This planet have a fixed orbital time around the sun which is 225 days.

Moon is the natural satellite of Earth and is smaller than Earth. It is composed of mainly oxygen, silicon, magnesium, iron, calcium, and aluminum. The orbital period of moon around Sun is 29.5 days.

Halley's Comet is a comet which is very small as compared to Earth and is composed of water, carbon monoxide, carbon dioxide and other ices. It appears in every 75-76 years.

Hence, all of the above have highly predictable orbits around the Sun. Therefore, the correct answer is Option D.

The planet Venus, our moon, and Halley's Comet allA.) Are larger than the earthB.) are composed of primarily hydrogen.C.) change speed dramatically as they orbit.D.) have highly predictable orbits around the sun.

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Related Questions

The planet Venus, our moon, and Halley's Comet all

A.) Are larger than the earth

B.) are composed of primarily hydrogen.

C.) change speed dramatically as they orbit.

D.) have highly predictable orbits around the sun.