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  1. Hace 3 días · This article provides an overview of the scientific background related to the subject of global warming. It considers the causes of rising near-surface air temperatures, the influencing factors, the process of climate research and forecasting, and the possible ecological and social impacts of rising temperatures.

  2. en.wikipedia.org › wiki › Apollo_8Apollo 8 - Wikipedia

    Hace 1 día · Apollo 8 (December 21–27, 1968) was the first crewed spacecraft to leave Earth's gravitational sphere of influence, and the first human spaceflight to reach the Moon. The crew orbited the Moon ten times without landing, and then departed safely back to Earth.

  3. www.nasa.govNASA

    Hace 2 días · Earth Information Center. For more than 50 years, NASA satellites have provided data on Earth's land, water, air, temperature, and climate. NASA's Earth Information Center allows visitors to see how our planet is changing in six key areas: sea level rise and coastal impacts, health and air quality, wildfires, greenhouse gases, sustainable energy, and agriculture.

  4. Hace 2 horas · The Earth’s climate has been undergoing significant changes in recent decades, marked by a noticeable increase in global temperatures. This rise in temperature has led to various climatic ...

  5. Hace 2 días · Earth's history with time-spans of the eons to scale. The history of Earth concerns the development of planet Earth from its formation to the present day. Nearly all branches of natural science have contributed to understanding of the main events of Earth's past, characterized by constant geological change and biological evolution.. The geological time scale (GTS), as defined by international ...

  6. en.wikipedia.org › wiki › SiriusSirius - Wikipedia

    Hace 4 días · Sirius is the brightest star in the night sky.Its name is derived from the Greek word Σείριος (Latin script: Seirios), meaning lit. 'glowing' or 'scorching'. The star is designated α Canis Majoris, Latinized to Alpha Canis Majoris, and abbreviated α CMa or Alpha CMa.With a visual apparent magnitude of −1.46, Sirius is almost twice as bright as Canopus, the next brightest star.

  7. Hace 21 horas · The report attributes the rise in the number of food-insecure people in the region from 58.1 million people in February to flooding caused by heavy rains. On Wednesday, a report released by the Food and Agriculture Organization of the United Nations (FAO) and the Intergovernmental Authority on Development (IGAD) stated that some 74.9 million ...