Earth is the third planet in our solar system and the only astronomical object known to harbor life. Earth is believed to have formed over 4.5 billion years ago and the thesis is backed by radiometric dating and other sources of evidence. Earth's gravity interacts with other objects and celestial bodies in space such as the Sun and the Moon, which is Earth's only natural satellite. Earth orbits around the Sun in 365.256 days which marks as one sidereal year of Earth. Earth's axis of rotation is tilted with respect to its orbital plane which causes the seasons on Earth. The gravitational interaction between Earth and the Moon causes tides, stabilizes the orientation of the Earth on its axis and gradually slows its rotation. Earth is the densest planet out of all the planets in our Solar System. It is also the largest and most massive of the four rocky planets. The lithosphere of the Earth is divided into several rigid tectonic plates that migrate across the surface over many millions of years. About 71% of Earth's surface is covered with water while the remaining 29% is land consisting of continents and islands that together contain many lakes, rivers and other sources of water that contribute to the hydrosphere. The majority of polar regions of Earth are covered in ice, such as the Antarctic ice sheet and the sea ice of the Arctic ice pack. The interior of the Earth remains active with a solid iron inner core, a liquid outer core that generates the Earth's magnetic field and a convecting mantle that controls plate tectonics.

In this sub category you can download free PNG images: Earth Nature. In this category "Earth" we have 20 free PNG images with transparent background.

  • Earth Picture PNG Image
    Earth Picture
    Format: PNG
    Resolution: 626x640
    Size: 163.0KB
    Downloads: 591
  • Earth Transparent Image PNG Image
    Earth Transparent Image
    Format: PNG
    Resolution: 512x512
    Size: 174.2KB
    Downloads: 385
  • Earth Transparent PNG Image
    Earth Transparent
    Format: PNG
    Resolution: 512x512
    Size: 248.4KB
    Downloads: 773
  • Earth Transparent Background PNG Image
    Earth Transparent Background
    Format: PNG
    Resolution: 512x512
    Size: 283.7KB
    Downloads: 585
  • Earth Transparent PNG Image
    Earth Transparent
    Format: PNG
    Resolution: 512x512
    Size: 366.6KB
    Downloads: 405
  • Earth Photo PNG Image
    Earth Photo
    Format: PNG
    Resolution: 543x543
    Size: 395.8KB
    Downloads: 390
  • Earth Free Download PNG Image
    Earth Free Download
    Format: PNG
    Resolution: 912x1024
    Size: 459.1KB
    Downloads: 554
  • Earth PNG Image
    Earth
    Format: PNG
    Resolution: 2048x2048
    Size: 2.9MB
    Downloads: 541
  • Earth Image PNG Image
    Earth Image
    Format: PNG
    Resolution: 1600x1600
    Size: 3.6MB
    Downloads: 811
  • Earth Travel Cartoon Icons HQ Image Free PNG PNG Image
    Earth Travel Cartoon Icons HQ Image Free PNG
    Format: PNG
    Resolution: 600x600
    Size: 1.4MB
    Downloads: 279
  • Map Vector Icons Globe Computer World Earth PNG Image
    Map Vector Icons Globe Computer World Earth
    Format: PNG
    Resolution: 512x512
    Size: 9.1KB
    Downloads: 330
  • Recycle Earth Free Download PNG HD PNG Image
    Recycle Earth Free Download PNG HD
    Format: PNG
    Resolution: 887x1600
    Size: 398.2KB
    Downloads: 330
  • Blue Satellite Australia Top Earth View PNG Image
    Blue Satellite Australia Top Earth View
    Format: PNG
    Resolution: 2000x2000
    Size: 5.0MB
    Downloads: 420
  • Map Globe Vector World Recycle Earth PNG Image
    Map Globe Vector World Recycle Earth
    Format: PNG
    Resolution: 1500x1590
    Size: 428.3KB
    Downloads: 338
  • Flower Illustration Coloring Earth Border Book PNG Image
    Flower Illustration Coloring Earth Border Book
    Format: PNG
    Resolution: 897x909
    Size: 69.8KB
    Downloads: 300
  • Beautiful Song Of Mud Soil Earth The PNG Image
    Beautiful Song Of Mud Soil Earth The
    Format: PNG
    Resolution: 1606x2500
    Size: 3.7MB
    Downloads: 426
  • Vector Earth Artworks Day Logo Free Clipart HQ PNG Image
    Vector Earth Artworks Day Logo Free Clipart HQ
    Format: PNG
    Resolution: 747x748
    Size: 547.4KB
    Downloads: 270
  • Content Earth Globe Sky Free Download Image PNG Image
    Content Earth Globe Sky Free Download Image
    Format: PNG
    Resolution: 800x800
    Size: 186.6KB
    Downloads: 226
  • Blue Graphic Globe Design World Earth PNG Image
    Blue Graphic Globe Design World Earth
    Format: PNG
    Resolution: 925x520
    Size: 160.7KB
    Downloads: 277
  • Earth Globe Brand World Free Clipart HD PNG Image
    Earth Globe Brand World Free Clipart HD
    Format: PNG
    Resolution: 970x552
    Size: 70.0KB
    Downloads: 285

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