Question: What is the 2nd smallest planet?

Closest to the sun, Mercury is the second smallest planet in our solar system. It has an orbital period of 87.97 Earth days and rotates on its axis once every 59 Earth days. The average surface temperature is 800 degrees Fahrenheit.

What are the 4 smallest planets?

There are four small planets in our solar system: Mercury, Venus, Earth and Mars. While these planets are each littler than the rest, they also have distinct and unique traits. Mercury is one of the four smallest planets in our solar system.

What is the 3 smallest planet?

The second planet in the solar system, Venus, is the third smallest planet with a radius of 3761 miles (6052 km). Earth, of course, is the third closest planet to the Sun and the fourth smallest with a radius of 3963 miles (6378 km). Just past Earth is Mars, the fourth planet in the solar system.

What are the 9 planets in order?

The order of the planets in the solar system, starting nearest the sun and working outward is the following: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and then the possible Planet Nine. If you insist on including Pluto, it would come after Neptune on the list.

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What is the smallest planet in order?

To ensure that the list stays stuck, just think of something along the lines of “Mercury Met Venus Every Night Until Saturn Jumped.” Essentially, this indicates that the size of the planets in order from smallest to largest is Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, and Jupiter.

What is the 3rd largest planet?

Uranus, the third largest planet in our solar system, may be the strangest because it spins on its side. That severe tilt to its rotational axis may result from a great collision long ago. As the seventh planet from the Sun, Uranus takes 84 years to complete an orbit. It is a “gas giant” with no solid surface.

What is the biggest planet on Earth?

Jupiter, being the biggest planet, gets its name from the king of the ancient Roman gods. Despite its size, Jupiter has the shortest day of any other planet; it only takes about 10 hours for a complete rotation.

What planet is the hottest?

Venus is the exception, as its proximity to the Sun and dense atmosphere make it our solar system’s hottest planet. The average temperatures of planets in our solar system are: Mercury – 800°F (430°C) during the day, -290°F (-180°C) at night. Venus – 880°F (471°C)

Is the sun a planet?

Of the objects that orbit the Sun directly, the largest are the eight planets, with the remainder being smaller objects, the dwarf planets and small Solar System bodies.

Solar System.

Planetary system
Stars 1 (Sun)
Known planets 8 (Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune)
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How many Earths can fit in our sun?

The Sun’s volume would need 1.3 million Earths to fill it. The Sun is 93 million miles (150 million kilometers) from Earth.

What are the 15 planets?

Planets in Our Solar System

  • Mercury. Mercury—the smallest planet in our solar system and closest to the Sun—is only slightly larger than Earth’s Moon. …
  • Venus. Venus spins slowly in the opposite direction from most planets. …
  • Earth. …
  • Mars. …
  • Jupiter. …
  • Saturn. …
  • Uranus. …
  • Neptune.

Why is Pluto no longer a planet?

Answer. The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. Essentially Pluto meets all the criteria except one—it “has not cleared its neighboring region of other objects.”

Does Pluto is a planet?

According to the International Astronomical Union, the organization charged with naming all celestial bodies and deciding on their statuses, Pluto is still not an official planet in our solar system. … Soon after Pluto was discovered in 1930, it was designated a planet, the ninth in our solar system.

What is the closest planet to Sun?

The smallest planet in our solar system and nearest to the Sun, Mercury is only slightly larger than Earth’s Moon.

What planet rotates on its side?

While Earth’s axis is tilted about 23 degrees, Uranus tilts almost 98 degrees! Uranus’ axis is so tilted, it actually looks like the planet is rotating on its side.

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Which planet would float in water?

Saturn could float in water because it is mostly made of gas.

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