Neptune
Definition: Neptune is the eighth and farthest planet from the Sun. It is an outer giant planet. Position in the Solar System
Neptune is the 8th planet from the Sun and lies in the outer Solar System.
Order of planets: Mercury → Venus → Earth → Mars → Jupiter → Saturn → Uranus → Neptune
Appearance: Neptune appears blue mainly because of methane in its atmosphere. It has very strong winds and faint rings.
Notes:
- Neptune is the eighth and farthest planet from the Sun.
- It is an outer giant planet with a thick atmosphere and very strong winds.
- One year on Neptune is about 165 Earth years.
- Neptune has rings and many moons.
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What is a Planet ? : View Paper
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Neptune – MCQs
1. Which is the eighth planet from the Sun?
A) Saturn B) Uranus C) Neptune D) Jupiter
Ans: C) Neptune
Explanation: Neptune is the eighth and farthest planet from the Sun.
2. Neptune appears blue mainly because of which gas in its atmosphere?
A) Oxygen B) Methane C) Hydrogen D) Nitrogen
Ans: B) Methane
Explanation: Methane absorbs red light and contributes to Neptune's blue appearance.
3. Neptune is classified as a:
A) Rocky planet B) Dwarf planet C) Outer giant planet D) Inner planet
Ans: C) Outer giant planet
Explanation: Neptune is one of the giant planets in the outer Solar System.
4. Approximately how long is one year on Neptune?
A) 12 Earth years B) 84 Earth years C) 165 Earth years D) 365 Earth years
Ans: C) 165 Earth years
Explanation: Neptune takes about 165 Earth years to complete one revolution around the Sun.
5. Which planet is the farthest major planet from the Sun?
A) Uranus B) Saturn C) Jupiter D) Neptune
Ans: D) Neptune
Explanation: Neptune is the eighth and farthest major planet from the Sun.
6. Neptune is known for having:
A) Strong winds and faint rings
B) No atmosphere
C) No moons
D) A solid surface like Earth
Ans: A) Strong winds and faint rings
Explanation: Neptune has a thick atmosphere, extremely strong winds, and faint rings.