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By definition, a planet must be round (or at least spherical enough to be called that); a planet is any celestial body with enough mass that its own gravity forms it into a spherical body.
The bodies we now call planets are known to be this way because of measurements in their orbits and calculations regarding them, as well as measurements of the planet itself via satellites and probes.
What else can I help you with?
Why are the dwarf planets round?
because of the gravity of the other planets around them
Is Mars round?
The planet Mars is round in shape. All of the planets in our solar system are orbits. The gravitational pull of the sun has formed the planets to be around.
Why can scientists see planets in the solar system but nowhere else in the universe?
Scientists (astronomers) can and have seen planets going round stars other than our own Sun.See related link below.
What characteristic do all the planets in our solar system have in common?
All the planets in our solar system share the characteristic of orbiting the Sun due to its gravitational pull. They are also spherical in shape, formed by the force of gravity pulling matter into a round configuration. Additionally, they all have cleared their orbits of other debris, classifying them as planets rather than dwarf planets or other celestial bodies.
Do dwarf planets posses characteristic of other planets?
Yes, they are round. They must be close to being spheres to qualify as dwarf planets.
What planets are the giants?
Jupiter, Saturn, Uranus, and Neptune are the gas giants of our solar system.
What planets go round the stars?
All 8 planets in our solar system rotate around a star, our sun. Virtually all planets rotate around a star.
What body of the solar system obits around the solar system?
All object except the Sun orbit round the Sun. The moons also orbit round their planets.
What is the planet that travels round the sun?
The planet that travels around the sun is Earth, along with seven other planets in our solar system. These planets follow elliptical orbits around the sun due to the gravitational pull of our star.
Do other planets have landforms?
Yes, other planets in our solar system have various landforms such as mountains, valleys, plains, and canyons. For example, Mars has the largest volcano in the solar system, Olympus Mons. Venus has vast plains and volcanic structures. Similarly, other planets like Mercury, Earth, and even some moons of gas giants like Jupiter and Saturn exhibit different landforms.
Describe two ways earth is like the other planets in our solar system?
it is a planet and it has a similar shape like the rest of the planets.
Why do astronomers think that besides earth other planets in the solar system also have season?
Because SEASONS are caused by the tilt of a planet's axis of rotation (spin) as compared to the plane in which the planet orbits (goes round) the Sun. Earth has an axial tilt and so do MOST of the other planets. This means that these planets will also have seasons.
