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Planet Earth

Earth is the planet where we live. It is the third planet from the Sun and is currently the only known planet in the Universe that is able to support life.

2,824 Questions

How long ago did the Earth's rotation only take six hours?

Around 1.4 billion years ago, the Earth's rotation was faster, with a day lasting only around 6 hours. Due to gravitational forces, the rotation has gradually slowed down over millions of years.

Why was there life on earth but no life on venus?

Because Venus doesn't have oxygen. It's atmosphere is not as good as Earth's, instead of oxygen, Venus contains greenhouse gasses, carbon dioxide, and sulfur dioxide. The atmosphere on Venus is quite thick and because it is carbon instead of oxygen life can't exist on this planet including us humans, because in order to live you need oxygen. And without oxygen life cannot live on Venus. So the atmosphere is nothing like ours.

How does earth sustain life while other planets do not?

Earth can sustain life because it is in the "Goldilocks zone" of our solar system, meaning it has the right conditions for liquid water to exist. It also has a protective atmosphere that shields us from harmful space radiation and maintains a stable climate. Additionally, Earth has a diverse range of ecosystems that support a variety of life forms.

What are 4 global trends that indicate the health of planet earth is suffering?

  1. Rising global temperatures leading to climate change and extreme weather events.
  2. Decline in biodiversity and species extinction rates.
  3. Accelerating deforestation and habitat loss.
  4. Increase in pollution levels, particularly air and water pollution.

Which planet is nearer to the earth planet?

Venus is the planet closest to Earth in terms of distance. It is often referred to as Earth's "sister planet" because of their similar size and composition.

What is an another name for earth?

Tellus

Terra

La Monde

Soil

Pachamama

Are some.

Is earth 5th largest planet?

Earth is the fifth largest planet. Jupiter, Saturn, Uranus, and Neptune are all larger than earth in diameter and mass.

What is the distanse of puppis constellation away from earth?

Any constellation is a group of stars that appear to form some kind of pattern,

but have no connection with each other. They all happen to be in roughly the

same direction from us, but they're all at different distances. So there's no

such thing as a constellation's distance from us.

How are almost all organisms on planet earth dependent on the process of photosynthesis?

Because, by the process of photosynthesis plants produce oxygen which is most essential for humans, AND the plants provide food for their own survival and growth, and thus provide a food source for humans and many vegetation eating animals which are another food source for human life.

How long does it take the earth to make one rotation round the sun?

It takes approximately 365.25 days for Earth to make one full rotation around the Sun, which we refer to as a year. This is the basis for our calendar system.

How many degrees is the earth's axis tilted from the line that is perpendicular to the earth's plane of orbit around the sun?

The Earth's axis is tilted at an angle of approximately 23.5 degrees from the line perpendicular to the Earth's plane of orbit around the Sun. This tilt is the reason for the changing seasons on Earth as different regions receive varying amounts of sunlight throughout the year.

Is Earth the biggest planet closest to the sun?

No, Earth is the third planet from the sun. The biggest planet in our solar system is Jupiter.

How many people would it take to make a chain around the world?

Well, if you make the chain around the equator and assume one meter per person, you would need about 40,075,000 people... and a whole lot of boats.

Are we technically living in space since earth is a planet?

Yes, technically we are living in space since Earth is a planet that exists in outer space. Space is the vast expanse that exists beyond Earth's atmosphere, where celestial bodies like planets, stars, and galaxies are located. So, living on Earth means we are residing in the vastness of space.

How earth movement around the sun affect the seasons?

The Earth is tilted on its axis of rotation. However the angle of tilt remains the same regardless of where the Earth is in the annual cycle around the sun. This means that, for a period of half of the year, each hemisphere is angled towards the sun more than the other. It therefore gets warmed more, which causes the seasons. So, when the northern hemisphere is tilted towards the sun, for half of the year it receives more sunlight than the southern hemisphere and is therefore warmer. = Spring and Summer.

What planet is considered Earth's sister planet and why?

Venus is considered Earth's sister planet because of its similar size, mass, and composition. It is also located relatively close to Earth in the solar system. Additionally, Venus and Earth are often referred to as sister planets because of their comparable gravity and proximity to the Sun.

When was Earth dicorverd?

Earth was not "discovered" since it has always existed. The scientific understanding of the Earth and its place in the universe has evolved over time through observations and research by scientists.

How long is one year on mars in comparison to earth years revolution one day on your planet?

One year on Mars is approximately 687 Earth days long. A day on Mars, known as a sol, is about 24 hours and 39 minutes. This means a year on Mars is almost twice as long as an Earth year in terms of days.

What layer of the earth can be 5000 Celsius?

Venus has a surface temperature close to this.

Venus has a surface temperature close to this.

Venus has a surface temperature close to this.

Venus has a surface temperature close to this.

Earth completes one rotation every?

day. Geosynchronous means it follows the Earth as it spins. It is therefore always above the same point on the earth's surface. Since the Earth spins once in a day the satellite must orbit once in a day.

Is water the lightest liquid on earth?

No, water is not the lightest liquid on Earth. Liquid hydrogen and liquid helium are lighter than water because they have lower densities.

Why is it important for humans to explore other planets besides the earth?

i think that humans will need to colonize to other planets in the future because if green house affects continue and people continue to pollute the world as they are, the earth could become a nasty and dangerous place to live and it will not be very suitable to sustain life anymore.

Do you live on a finite planet?

Yes, Earth is a finite planet with limited resources and capacity to support life. It is important to be mindful of our impact on the environment in order to ensure a sustainable future for generations to come.

Can earth survive without convection?

No, Earth relies on convection to transfer heat from its core to the surface, driving geological processes like plate tectonics and volcanic activity. Without convection, Earth's surface would become too cold and life as we know it would not be sustainable.