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23 ore fa · At that time, Uranus, Neptune, nor the asteroid belts have been discovered yet. Discovery and exploration of the Solar System is observation, visitation, and increase in knowledge and understanding of Earth 's "cosmic neighborhood". [1] This includes the Sun, Earth and the Moon, the major planets Mercury, Venus, Mars, Jupiter, Saturn, Uranus ...
23 ore fa · Permian–Triassic boundary at Frazer Beach in New South Wales, with the End Permian extinction event located just above the coal layer. Approximately 251.9 million years ago, the Permian–Triassic (P–T, P–Tr) extinction event (PTME; also known as the Late Permian extinction event, the Latest Permian extinction event, the End-Permian extinction event, and colloquially as the Great Dying ...
23 ore fa · In 2013, NASA reactivated the WISE telescope to search for near-Earth objects (NEO), such as comets and asteroids, that could collide with Earth. The reactivation mission was called Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE). As of August 2023, NEOWISE is 40% through the 20th coverage of the full sky.
- 661 kg (1,457 lb)
- Explorer 92, SMEX-6, NEOWISE, Near-Earth Object WISE
- 10 months (planned), 13 years, 9 months and 11 days (in progress)
- 14 December 2009, 14:09:33 UTC
23 ore fa · Nicolaus Copernicus [b] (19 February 1473 – 24 May 1543) was a Renaissance polymath, active as a mathematician, astronomer, and Catholic canon, who formulated a model of the universe that placed the Sun rather than Earth at its center.
- 24 May 1543 (aged 70), Frauenburg, Royal Prussia, Poland
23 ore fa · A study of Earth's bow shock was conducted as Galileo passed by Earth's day side. The solar wind travels at 200 to 800 kilometers per second (120 to 500 mi/s) and is deflected by Earth's magnetic field, creating a magnetic tail on Earth's dark side over a thousand times the radius of the planet.
23 ore fa · Hydrogen fluoride. 0.001–0.005 ppm. The atmosphere of Venus is the very dense layer of gasses surrounding the planet Venus. Venus's atmosphere is composed of 96.5% carbon dioxide and 3.5% nitrogen, with other chemical compounds present only in trace amounts. [1] It is much denser and hotter than that of Earth; the temperature at the surface ...
23 ore fa · Publication history. The first on-panel appearance of the Kree was in Fantastic Four #65 (August 1967), and they were created by Jack Kirby and Stan Lee.In their first appearance, the Supreme Intelligence sent Ronan to Earth to investigate what happened to a Kree Sentry, who was destroyed by the Fantastic Four in the previous issue.
