Earth vs. Star — What's the Difference?
By Fiza Rafique & Maham Liaqat — Updated on May 14, 2024
Earth is a rocky planet in the Solar System, supporting a diverse range of life forms, while stars, like the Sun, are celestial bodies composed of gas that emit light and heat from nuclear fusion.
Difference Between Earth and Star
Table of Contents
ADVERTISEMENT
Key Differences
Earth is one of eight planets in our Solar System, characterized by its solid surface and life-sustaining environment. It has a diverse ecosystem supported by its atmosphere and magnetic field. On the other hand, a star is a massive, luminous sphere of plasma held together by its own gravity, primarily emitting light and heat from nuclear reactions at its core.
In terms of composition, Earth is made up of various elements, primarily iron, oxygen, silicon, and magnesium, which form its core, mantle, and crust. Stars, however, consist mostly of hydrogen and helium, undergoing continuous nuclear fusion that converts hydrogen into helium, releasing energy.
Size and mass also differ significantly; Earth has a diameter of about 12,742 km and a mass that is minuscule compared to a typical star. For example, the Sun, which is an average-sized star, has a diameter of about 1.4 million km and a mass about 330,000 times that of Earth.
Regarding temperature, Earth's surface temperature varies due to atmospheric conditions but generally ranges from -88 to 58 degrees Celsius. In contrast, surface temperatures of stars can exceed 5,000 degrees Celsius, depending on their size, age, and composition.
Earth orbits the Sun, gaining energy essential for life, stars generate their own energy and are often orbited by planets and other celestial bodies, playing a crucial role in the dynamics of their respective solar systems.
ADVERTISEMENT
Comparison Chart
Composition
Iron, oxygen, silicon, magnesium
Hydrogen, helium
Form
Solid planet
Gaseous sphere
Energy Source
Sunlight (external)
Nuclear fusion (internal)
Size
Diameter ~12,742 km
Sun's diameter ~1.4 million km
Temperature
-88 to 58°C (surface)
> 5,000°C (surface)
Compare with Definitions
Earth
Has a magnetic field that protects it from solar wind.
Earth's magnetic field deflects most of the solar radiation, preserving the atmosphere.
Star
Varies greatly in size, type, and temperature.
Red giants are cooler but much larger than our Sun.
Earth
Supports a wide range of climates and ecosystems.
Earth's climate ranges from the arid deserts to the polar ice caps.
Star
Has a life cycle from nebula to potential supernova.
A star's life begins in a nebula and may end as a supernova, dispersing elements.
Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor and support life. About 29.2% of Earth's surface is land consisting of continents and islands.
Star
A star is an astronomical object consisting of a luminous spheroid of plasma held together by its own gravity. The nearest star to Earth is the Sun.
Earth
The planet on which we live; the world
The diversity of life on earth
Star
A celestial body that generates light and other radiant energy and consists of a mass of gas held together by its own gravity in which the energy generated by nuclear reactions in the interior is balanced by the outflow of energy to the surface, and the inward-directed gravitational forces are balanced by the outward-directed gas and radiation pressures.
Earth
The substance of the land surface; soil
A layer of earth
Star
Any of the celestial bodies visible at night from Earth as relatively stationary, usually twinkling points of light.
Earth
Electrical connection to the ground, regarded as having zero electrical potential.
Ensure metal fittings are electrically bonded to earth
Star
Something regarded as resembling such a celestial body.
Earth
The underground lair of a badger or fox.
Star
A graphic design having five or more radiating points, often used as a symbol of rank or merit.
Earth
Connect (an electrical device) with the ground
The front metal panels must be soundly earthed
Star
An artistic performer or athlete whose leading role or superior performance is acknowledged.
Earth
Drive (a fox) to its underground lair.
Star
One who is highly celebrated in a field or profession.
Earth
Cover the root and lower stem of a plant with heaped-up earth
The stems can be earthed up when the plant is about one foot high
Star
An asterisk (*).
Earth
The land surface of the world.
Star
The star key on a telephone
For customer service, press star.
Earth
The softer, friable part of land; soil, especially productive soil.
Star
A white spot on the forehead of a horse.
Earth
OftenEarthThe third planet from the sun, having a sidereal period of revolution about the sun of 365.26 days at a mean distance of approximately 149.6 million kilometers (92.96 million miles), a sidereal rotation period of 23 hours 56.07 minutes, an average radius of 6,378.1 kilometers (3,963 miles), and a mass of approximately 5.9736 × 1024 kilograms (1.3169 × 1025 pounds).
Star
A planet or constellation of the zodiac believed in astrology to influence personal destiny.
Earth
The realm of mortal existence; the temporal world.
Star
Stars The future; destiny. Often used with the.
Earth
The human inhabitants of the world:The earth received the news with joy.
Star
Outstanding or famous, especially in performing something
A star researcher.
A star figure skater.
Earth
Worldly affairs and pursuits.
Star
Of or relating to a star or stars.
Earth
Everyday life; reality:was brought back to earth from his daydreams of wealth and fame.
Star
To ornament with stars.
Earth
The substance of the human body; clay.
Star
To award or mark with a star for excellence.
Earth
The lair of a burrowing animal.
Star
To mark with an asterisk.
Earth
Chiefly British The ground of an electrical circuit.
Star
To present or feature (a performer) in a leading role.
Earth
(Chemistry)Any of several metallic oxides, such as alumina or zirconia, that are difficult to reduce and were formerly regarded as elements.
Star
To play the leading role in a theatrical or film production.
Earth
To cover or heap (plants) with soil for protection.
Star
To do an outstanding job; perform excellently.
Earth
To chase (an animal) into an underground hiding place.
Star
Any small luminous dot appearing in the cloudless portion of the night sky, especially with a fixed location relative to other such dots.
Earth
To burrow or hide in the ground. Used of a hunted animal.
Star
(star) A luminous celestial body, made up of plasma (particularly hydrogen and helium) and having a spherical shape. Depending on context the sun may or may not be included.
Earth
Senseid|en|Q2}} {{alternative case form of Earth; Our planet, third out from the Sun.
The astronauts saw the earth from the porthole.
Star
(geometry) A concave polygon with regular, pointy protrusions and indentations, usually with four, five, or six points.
Earth
(uncountable) Soil.
This is good earth for growing potatoes.
Star
(acting) An actor in a leading role.
Many Hollywood stars attended the launch party.
Earth
(uncountable) Any general rock-based material.
She sighed when the plane's wheels finally touched earth.
Star
An exceptionally talented or famous person, often in a specific field; a celebrity.
His teacher tells us he is a star pupil.
Earth
The ground, land (as opposed to the sky or sea).
Birds are of the sky, not of the earth.
Star
(printing) An asterisk (*) or symbol (★).
Earth
(British) A connection electrically to the earth (US ground); on equipment: a terminal connected in that manner.
Star
A symbol used to rate hotels, films, etc. with a higher number of stars denoting better quality.
Earth
The lair or den (as a hole in the ground) of an animal such as a fox.
Star
A simple dance, or part of a dance, where a group of four dancers each put their right or left hand in the middle and turn around in a circle. You call them right-hand stars or left-hand stars, depending on the hand which is in the middle.
Earth
A region of the planet; a land or country.
Star
(astrology) A planet supposed to influence one's destiny.
What's in the stars for you today? Find out in our horoscope.
Earth
Worldly things, as against spiritual ones.
Star
A star-shaped ornament worn on the breast to indicate rank or honour.
Earth
The world of our current life (as opposed to heaven or an afterlife).
Star
A composition of combustible matter used in the heading of rockets, in mines, etc., which, exploding in the air, presents a starlike appearance.
Earth
(metonymically) The people on the globe.
Star
(intransitive) To appear as a featured performer or headliner, especially in an entertainment program.
She starred in dozens of silent movies.
Earth
Any planet similar to the Earth (our earth): an exoplanet viewed as another earth, or a potential one.
New space telescopes may accelerate the search for other earths that may be out there.
Star
(transitive) To feature (a performer or a headliner), especially in a movie or an entertainment program.
The show stars Calista Flockhart as a high-powered lawyer.
Earth
(archaic) The human body.
Star
(transitive) To mark with a star or asterisk.
Earth
The aforementioned soil- or rock-based material, considered one of the four or five classical elements.
Star
(transitive) To set or adorn with stars, or bright, radiating bodies; to bespangle.
Earth
Any of certain substances now known to be oxides of metal, which were distinguished by being infusible, and by insolubility in water.
Star
(intransitive) To shine like a star.
Earth
To connect electrically to the earth.
That noise is because the amplifier is not properly earthed.
Star
One of the innumerable luminous bodies seen in the heavens; any heavenly body other than the sun, moon, comets, and nebulæ.
His eyen twinkled in his head aright,As do the stars in the frosty night.
Earth
(transitive) To bury.
Star
The polestar; the north star.
Earth
(transitive) To hide, or cause to hide, in the earth; to chase into a burrow or den.
Star
A planet supposed to influence one's destiny; (usually pl.) a configuration of the planets, supposed to influence fortune.
O malignant and ill-brooding stars.
Blesses his stars, and thinks it luxury.
Earth
(intransitive) To burrow.
Star
That which resembles the figure of a star, as an ornament worn on the breast to indicate rank or honor.
On whom . . . Lavish Honor showered all her stars.
Earth
The globe or planet which we inhabit; the world, in distinction from the sun, moon, or stars. Also, this world as the dwelling place of mortals, in distinction from the dwelling place of spirits.
That law preserves the earth a sphereAnd guides the planets in their course.
In heaven, or earth, or under earth, in hell.
Star
Specifically, a radiated mark in writing or printing; an asterisk [thus, *]; - used as a reference to a note, or to fill a blank where something is omitted, etc.
Earth
The solid materials which make up the globe, in distinction from the air or water; the dry land.
God called the dry land earth.
He is pure air and fire, and the dull elements of earth and water never appear in him.
Star
A composition of combustible matter used in the heading of rockets, in mines, etc., which, exploding in the air, presents a starlike appearance.
Earth
The softer inorganic matter composing part of the surface of the globe, in distinction from the firm rock; soil of all kinds, including gravel, clay, loam, and the like; sometimes, soil favorable to the growth of plants; the visible surface of the globe; the ground; as, loose earth; rich earth.
Give him a little earth for charity.
Star
A person of brilliant and attractive qualities, especially on public occasions, as a distinguished orator, a leading theatrical performer, etc.
Earth
A part of this globe; a region; a country; land.
Would I had never trod this English earth.
Star
To set or adorn with stars, or bright, radiating bodies; to bespangle; as, a robe starred with gems.
Earth
Worldly things, as opposed to spiritual things; the pursuits, interests, and allurements of this life.
Our weary souls by earth beguiled.
Star
To be bright, or attract attention, as a star; to shine like a star; to be brilliant or prominent; to play a part as a theatrical star.
Earth
The people on the globe.
The whole earth was of one language.
Star
(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
Earth
Any earthy-looking metallic oxide, as alumina, glucina, zirconia, yttria, and thoria.
Star
Someone who is dazzlingly skilled in any field
Earth
A hole in the ground, where an animal hides himself; as, the earth of a fox.
They [ferrets] course the poor conies out of their earths.
Star
Any celestial body visible (as a point of light) from the Earth at night
Earth
The connection of any part an electric conductor with the ground; specif., the connection of a telegraph line with the ground through a fault or otherwise.
Star
A plane figure with 5 or more points; often used as an emblem
Earth
A plowing.
Such land as ye break up for barley to sow,Two earths at the least, ere ye sow it, bestow.
Star
An actor who plays a principal role
Earth
To hide, or cause to hide, in the earth; to chase into a burrow or den.
Star
A performer who receives prominent billing
Earth
To cover with earth or mold; to inter; to bury; - sometimes with up.
The miser earths his treasure, and the thief,Watching the mole, half beggars him ere noon.
Why this in earthing up a carcass?
Star
A star-shaped character * used in printing
Earth
To burrow.
Star
The topology of a network whose components are connected to a hub
Earth
The 3rd planet from the sun; the planet on which we live;
The Earth moves around the sun
He sailed around the world
Star
Feature as the star;
The movie stars Dustin Hoffman as an autistic man
Earth
The loose soft material that makes up a large part of the land surface;
They dug into the earth outside the church
Star
Be the star in a performance
Earth
The solid part of the earth's surface;
The plane turned away from the sea and moved back over land
The earth shook for several minutes
He dropped the logs on the ground
Star
Mark with an asterisk;
Linguists star unacceptable sentences
Earth
The abode of mortals (as contrasted with heaven or hell);
It was hell on earth
Star
Indicating the most important performer or role;
The leading man
Prima ballerina
Prima donna
A star figure skater
The starring role
A stellar role
A stellar performance
Earth
Once thought to be one of four elements composing the universe (Empedocles)
Star
A massive celestial body of burning gas emitting light and heat.
Our Sun is a medium-sized star in the Milky Way galaxy.
Earth
The concerns of the world as distinguished from heaven and the afterlife;
They consider the church to be independent of the world
Star
Generates energy through nuclear fusion at its core.
Stars convert hydrogen into helium, releasing vast amounts of energy.
Earth
A connection between an electrical device and the earth (which is a zero voltage)
Star
Fundamental to the formation of solar systems.
Stars often have planets and other materials orbiting them.
Earth
Hide in the earth like a hunted animal
Earth
Connect to the earth;
Earth the circuit
Earth
The third planet from the Sun in the Solar System, known for its liquid water and life.
Earth's atmosphere is crucial for protecting life from harmful solar radiation.
Earth
Characterized by a large amount of water and a breathable atmosphere.
Earth is unique among known planets for its extensive oceans.
Earth
Experiences geological activity like earthquakes and volcanism.
Earth's tectonic plates move and cause earthquakes.
Common Curiosities
What defines a star?
A star is a celestial body made of gases undergoing nuclear fusion, emitting light and heat.
What is the temperature difference between Earth and typical stars?
Earth's surface temperature is much cooler, ranging from -88 to 58°C, compared to stars' surfaces which can exceed 5,000°C.
What is Earth?
Earth is a planet with a solid surface and an atmosphere that supports life.
What role does Earth play in the solar system?
Earth supports life and interacts gravitationally with other planetary bodies, contributing to the stability of the solar system.
Why do stars appear to twinkle?
Stars twinkle due to Earth's atmospheric turbulence distorting the light they emit as it reaches our eyes.
How does Earth's size compare to that of a star like the Sun?
Earth is significantly smaller, with the Sun's diameter about 109 times that of Earth.
Can Earth produce its own energy like a star?
No, Earth relies on sunlight for energy, while stars generate energy through nuclear fusion.
Why is Earth's magnetic field important?
It protects the planet from solar winds and cosmic radiation, which are crucial for maintaining Earth's atmosphere and supporting life.
What are the different types of stars?
Stars can be classified into types such as red dwarfs, giants, and supergiants based on their mass, temperature, and life stage.
How does Earth's composition compare to a star's?
Earth is composed of various solid elements, while a star is mainly hydrogen and helium gases.
How do the life cycles of Earth and a star differ?
Earth changes through geological and biological processes, while stars evolve from nebulae to potentially end as supernovae.
What happens when a star dies?
Depending on its mass, a star can turn into a white dwarf, neutron star, or black hole after undergoing a supernova.
How do stars affect planetary systems?
Stars provide the necessary energy for life on planets and govern the dynamics of planetary orbits through their gravitational pull.
Can stars have atmospheres?
Yes, stars have outer layers known as photospheres, though they are made of plasma rather than gases like Earth's atmosphere.
What is the significance of Earth's water?
Water is essential for all known forms of life and helps regulate Earth's climate through its heat capacity.
Share Your Discovery
Previous Comparison
Memory vs. StorageNext Comparison
Area vs. RangeAuthor Spotlight
Written by
Fiza RafiqueFiza Rafique is a skilled content writer at AskDifference.com, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.
Co-written by
Maham Liaqat