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Hace 2 días · 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.
Hace 3 días · Dolores Mary Eileen O'Riordan ( / oʊˈrɪərdən / oh-REER-dən; 6 September 1971 – 15 January 2018) was an Irish musician who was the lead vocalist and lyricist of the alternative rock band The Cranberries. [2]
Hace 3 días · This includes the nuclear processes by which the lightest elements—mostly hydrogen and helium—were produced at the explosive birth of the universe (see big-bang model), 13.8 billion years ago, and the subsequent formation of the heavier elements within stars (see chemical element: Origin of the elements).
Hace 3 días · 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 ♁.
Hace 4 días · Stellarium Web is a planetarium running in your web browser. It shows a realistic star map, just like what you see with the naked eye, binoculars or a telescope.
Hace 5 días · Asteroid 2024 MK will fly past Earth on June 29. It is between 400 and 850 feet across and will pass within the orbit of the moon. It was discovered only 13 days before it is expected to pass...
Hace 5 días · This week, two massive asteroids will pass closely by Earth just days apart—one on Thursday afternoon and one on Saturday morning—in time to ring in World Asteroid Day, celebrated annually on ...
