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4 giorni fa · Earth, third planet from the Sun and the fifth largest planet in the solar system in terms of size and mass. Its single most outstanding feature is that its near-surface environments are the only places in the universe known to harbour life. It is designated by the symbol ♁.
6 giorni fa · See the circle of galaxy clusters and voids that surround us in this map of the nearby cosmos, extending 200 million light years in each direction. By Leah Crane. 26 June 2024.
5 giu 2024 · Earth Online presents news and information on European Space Agency activities in the field of Earth observation. The website offers information about ESA’s Earth Observation data, and the satellite missions and instruments that acquire this data.
24 giu 2024 · Earth is a rock that broiled, gushed and bloomed: the flowering callus of a half-sealed Vesuvius suspended in a bubble of breath.
13 giu 2024 · Earth is a terrestrial planet. It is small and rocky. Earth's atmosphere is the right thickness to keep the planet warm so living things like us can be there. It’s the only planet in our solar system we know of that supports life. It is mostly nitrogen, and it has plenty of oxygen for us to breathe.
2 giorni fa · Earth formed around 4.54 billion years ago, approximately one-third the age of the universe, by accretion from the solar nebula. Volcanic outgassing probably created the primordial atmosphere and then the ocean, but the early atmosphere contained almost no oxygen.
5 giorni fa · Global warming, the phenomenon of increasing average air temperatures near Earth’s surface over the past one to two centuries, happens mostly in the troposphere, the lowest level of the atmosphere, which extends from Earth’s surface up to a height of 6–11 miles.
