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Hace 3 días · Proxima Centauri b, or Alpha Centauri Cb, orbits the star at a distance of roughly 0.05 AU (7.5 million km) with an orbital period of approximately 11.2 Earth days. Its estimated mass is at least 1.17 times that of the Earth.
Hace 5 días · The geologic time scale or geological time scale ( GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the process of relating strata to time) and geochronology (a scientific branch of geology that aims to determine the age of rocks).
Hace 2 días · The Moon is Earth 's only natural satellite. It orbits at an average distance of 384,400 km (238,900 mi), about 30 times the diameter of Earth. Over time Earth's gravity has caused tidal locking, causing the same side of the Moon to always face Earth.
Hace 2 días · Earth Day Media Briefing: NASA Unveils New Elements of Climate Research. 2024 Total Solar Eclipse: Through the Eyes of NASA. 00:26:23. Other Worlds: Europa. 00:26:41. Listen to the Universe. Chandra X-ray Observatory. 00:26:52. The Color of Space: The Series | Victor Glover. Victor Glover.
Hace 1 día · Iceland Eruption Goes Another Round. A volcanic fissure on Iceland’s Reykjanes peninsula reawakened in late May 2024. This eruption, the latest in a series that began in December 2023, was notable for its vigorous start. Some of the highest estimated lava flow rates of all the recent eruptions near Grindavík occurred in the first hours of ...
Hace 1 día · The discovery raises significant questions related to how and where life first originated on planet Earth. Published in the journal Geology, the study explores these ancient microbial structures and offers a unique glimpse into Earth’s early life and the environmental conditions that prevailed billions of years ago.
Hace 1 día · Published 10:00 AM EDT, Sun June 2, 2024. Link Copied! Liev Schreiber hosts the new CNN Originals Series "Violent Earth." CNN. Programming Note: The CNN Original Series Violent Earth with Liev ...
