What is the life of planet?

The fossil record tells us that life on Earth has lasted at least 3.5 billion years. In that time it has survived being frozen, clobbered by rocks from space, mass poisoning, and even lethal radiation.

Which of the planets have life?

According to the panspermia hypothesis, microscopic life—distributed by meteoroids, asteroids and other small Solar System bodies—may exist throughout the Universe. Nonetheless, Earth is the only place in the Universe known to harbor life.

Which planet is only known to have life?

Earth
Earth is the only planet known to maintain life. Find out the origins of our home planet and some of the key ingredients that help make this blue speck in space a unique global ecosystem.

What makes a planet just right for life?

What makes the Earth habitable? It is the right distance from the Sun, it is protected from harmful solar radiation by its magnetic field, it is kept warm by an insulating atmosphere, and it has the right chemical ingredients for life, including water and carbon.

What is a dead planet?

Mercury. Mercury is a dead planet and the most heavily cratered object in the solar system. It is a world of black starry skies, gray craters, no moon and not enough gravity to hold an atmosphere. Without an atmosphere, Mercury is a silent world without any sound.

What are 5 things that make Earth just right?

The right ingredients: A planet needs liquid water, an energy source and chemical building blocks like carbon, oxygen, hydrogen and nitrogen for the life forms we’re familiar with to thrive.

What is Sun’s lifespan?

The sun is currently classified as a “main sequence” star. This means that it is in the most stable part of its life, converting the hydrogen present in its core into helium. For a star the size of ours, this phase lasts a little over 8 billion years.

What are some quotes from the book planets?

The structure behind all polytheistic religions of the past and present is one and the same. They are all built on the same foundation as Nature.” “Pluto is dead.” “Each planet has its own orbit agenda. Think of people close to you as planets. orbit and shine.” “Could it be that the planets are castaway heads.”

Is it possible to have life on other planets?

It’s something the human mind can’t really grasp. It’s statistically impossible that there’s not life on other planets. Votes: 3 The idea that you can cross a dimension, or commune with the dead, or life on other planets… these are the great unknowns. They will be debated as long as their is life.

Which is the best quote about the Solar System?

Solar System Quotes – BrainyQuote. When you look at the stars and the galaxy, you feel that you are not just from any particular piece of land, but from the solar system. Kalpana Chawla. Space Stars Look. We really have the most beautiful planet in our solar system. None other can sustain life like we know it.

What are some of the best quotes about life?

“It is said that your life flashes before your eyes just before you die. That is true, it’s called Life.” 17. “When life gives you lemons, squirt someone in the eye.” 18. “All the world is made of faith, and trust, and pixie dust.”