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2 giorni fa · A weaker magnetic field could account for the higher levels of oxygen recorded in the Earth’s atmosphere and oceans around that time — and for the ensuing proliferation of macroscopic marine ...
2 giorni fa · Light can only penetrate a few hundred more meters; the rest of the deeper ocean is cold and dark (these zones are called mesopelagic and aphotic zones). The continental shelf is where the ocean meets dry land. It is more shallow, with a depth of a few hundred meters or less.
- 3.688 km (2 mi)
- 1,370,000,000 km³ (328,680,479 cu mi) (97.5% of Earth's water)
- 361,000,000 km² (139,382,879 sq mi) (71% of Earth's surface area)
- List of countries by length of coastline
5 giorni fa · This article lists feature-length British films and full-length documentaries that have had their premieres in 2016 and were at least partly made by Great Britain or the United Kingdom. It does not feature short films, medium-length films, made-for-TV films, pornographic films, filmed theater, VR films and interactive films.
3 giorni fa · After approaching the coelacanth to encourage it to move between two cameras positioned on a custom-made stand, the team turned on the lights. "At this depth, some think that there is no light ...
3 giorni fa · To distinguish between the two possibilities, the team used Webb’s NIRCam (Near-Infrared Camera) and MIRI (Mid-Infrared Instrument) to measure 4- to 12-micron infrared light coming from the planet. Although Webb cannot capture a direct image of 55 Cancri e, it can measure subtle changes in light from the system as the planet orbits the star.
1 giorno fa · This leads to a volume of Europa's oceans of 3×10 18 m 3, between two or three times the volume of Earth's oceans. The thin-ice model suggests that Europa's ice shell may be only a few kilometers thick.
3 giorni fa · Details. While the planet is too hot to be habitable, detecting its atmosphere could provide insights into the early conditions of Earth, Venus, and Mars. Researchers using NASA’s James Webb Space Telescope may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet 41 light-years from Earth.
