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Earth, has been referred to as the Blue Planet due to the abundant water on its surface and/or the atmospheric hue; Neptune, a planet in the solar system that appears blue and can therefore be called "Blue planet" The Blue Planet, a BBC documentary series narrated by David Attenborough; Blue Planet II, a sequel to the documentary
Earth is the third planet from the Sun and the only astronomical object known to harbor life. [23] This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all of Earth's water is contained in its global ocean, covering 70.8% of Earth's crust.
The Earth is also called the Blue Planet, "Planet Earth", and "Terra". The Earth is home to millions of species of plants and animals, including humans. Earth is the only planet in the galaxy known to support life. Earth has many places that are suitable for humans to live in, although some areas of the planet can be very dangerous, too.
The Blue Planet is a British nature documentary series created and co-produced as a co-production between the BBC Natural History Unit and Discovery Channel. It premiered on 12 September 2001 in the United Kingdom.
Earth is a pale blue dot, rather than dark blue, because white light reflected by clouds combines with the scattered blue light. [23] Earth's reflectance spectrum from the far-ultraviolet to the near-infrared is unlike that of any other observed planet and is partially due to the presence of life on Earth. [23]
Pluto was considered a planet up until 2006, when researchers at the International Astronomical Union voted to "demote" it to dwarf planet.
Pluto's reign. For decades, students learned the phrase "My Very Educated Mother Just Served Us Nine Pizzas" to remember the order of the planets in the solar system: Mercury, Venus, Earth, Mars ...
But the science behind a blue sky isn't that easy. For starters, it involves something called the Rayleigh effect, or Rayleigh scattering. But that same phenomenon can also sometimes make skies ...