Earth
| Designations | |
|---|---|
| Surface area | 510067420 km2 (196938130 sq mi) 148940000 km2 land (57510000 sq mi) 361132000 km2 water (139434000 sq mi) |
| Volume | 1.08321×1012 km3 (2.59876×1011 cu mi) |
| Mass | 5.97237×1024 kg (1.31668×1025 lb) (3.0×10−6 M☉) |
| Mean density | 5.514 g/cm3 (0.1992 lb/cu in) |
What is the exact size of the planet Earth?
roughly 8,000 miles
Earth has a diameter of roughly 8,000 miles (13,000 kilometers) and is mostly round because gravity generally pulls matter into a ball. But the spin of our home planet causes it to be squashed at its poles and swollen at the equator, making the true shape of the Earth an “oblate spheroid.”
What is the real name of Earth?
However, the Greek equivalent to Earth is Gaia – terra mater – mother Earth, and Roman equivalent was Tellus – the fertile soil. Earth is estimated to have formed around 4.5 billion years ago – almost one-third of the age of the universe – through accretion from the solar nebula.
How much km2 is the sun?
Sun
| Observation data | |
|---|---|
| Equatorial radius | 695,700 km, 696,342 km 109 × Earth radii |
| Equatorial circumference | 4.379×106 km 109 × Earth |
| Flattening | 9×10−6 |
| Surface area | 6.09×1012 km2 12,000 × Earth |
Does Earth have a number?
Unlike some other planets in the system that have three or more rings, the Earth has zero, but we do have one lonely moon that orbits us. Earth is the third planet from the sun and is located about 93,000,000 miles away from it.
Is Earth the only planet with life?
The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the fifth largest planet in our solar system, and it’s the only one known for sure to have liquid water on its surface. Earth is the only planet known to maintain life.
Is Earth the only planet with water?
Earth is the only known planet to have bodies of liquid water on its surface. Europa is thought to have subsurface liquid water. Evidence points to water on other planets in our solar system. In 2015, NASA confirmed that liquid water flows intermittently on present-day Mars.
Who named Sun?
The ancient Greeks personified the sun as a handsome god named Helios. His astronomical pedigree was impeccable: He was the son of the Titan Hyperion and the Titaness Theia. Helios was also the brother of Selene, the goddess of the Moon, and Eos, the goddess of the dawn.
Who named Planet Earth?
All of the planets, except for Earth, were named after Greek and Roman gods and godesses. The name Earth is an English/German name which simply means the ground. It comes from the Old English words ‘eor(th)e’ and ‘ertha’.
How big is the Earth compared to other planets?
How Big Is Earth? Our planet as seen from space. Earth, the third planet from the sun, is the fifth largest planet in the solar system; only the gas giants Jupiter, Saturn, Uranus and Neptune are bigger. Earth is the largest of the terrestrial planets of the inner solar system, bigger than Mercury, Venus and Mars.
Which is the largest planet in our Solar System?
Jupiter is the largest planet in our Solar System, with a surface area of 6.14 x 1010 km2 – which is about 122 times greater than the surface area of Earth!
How many square miles large is the Earth?
The total surface area of Earth is about 197 million square miles (510 million square km). About 71 percent is covered by water and 29 percent by land.
How big is Mars compared to the Earth?
This is evident in Mars’ diminutive surface area of 1.45 x 10 8 km 2, which is roughly 28% that of Earth’s. Moving to the outer Solar System, it is quickly made apparent that all of the gas giants have the four planets of the inner Solar System beat (at least in a size contest)!
