Atmosphere: the mixture of gases around the earth
Noun: These factories are releasing toxic gases into the atmosphere.
Biosphere: a part of a planet's environment where life exists
Noun: With a massive impact, a biosphere gets another chance.
Geosphere: any of the almost spherical concentric regions of matter that make up the earth and its atmosphere, as the lithosphere and hydrosphere.
Noun: These are called, respectively, the geosphere, biosphere, and noosphere.
hydrosphere: all of the water, ice, and water vapor at or near the surface of a planet
Noun: He wrote a paper on the evolution of the Martian hydrosphere.
astronomy: the scientific study of the universe and of objects that exist naturally in space, such as the moon, the sun, planets, and stars
Noun: Unlike astronomy, astrology cannot be described as an exact science.
climatology: the scientific study of climate (= general or long-term weather conditions)
Noun: Climatology maps all available blended series.
geology: the study of the rocks and similar substances that make up the earth's surface
Noun: a geology professor/student/class/department
hydrology: the study of water on the earth, for example, where it is and how it is used
Noun: called Universal Hydrology Consulting to monitor these potential threats
meteorology: the scientific study of the processes that cause particular weather conditions
Noun: The meteorologist checked the weather radar before issuing her forecast
oceanography: the scientific study of the sea
Noun: Astronaut candidates receive training on shuttle systems and in the basic sciences which include mathematics, guidance and navigation, oceanography, orbit
Paleontology: the scientific study of organisms that lived on earth before there were written records, esp. by examining fossils
Noun: He made numerous contributions in the fields of paleontology and biological evolution
Physical geography: the study of the natural features of the earth, such as mountains and rivers
Noun: The physical geography of a fictional world is important in designing weather patterns and biomes such as deserts, wetlands, mountains, and forests.
Astro =star: relating to space, the planets, stars, or other objects in space, or to a structure in the shape of a star
Noun: You can see lots of stars in the sky through a telescope.
Atmos =vapor: the gaseous envelope surrounding the earth or any other celestial body
Noun: Norway has contributed with magnetohydrodynamical models of the solar atmosphere
Bio =life: connected with life and living things
Prefix: bioethics
Clima =region: Set of atmospheric conditions typical of a place, assembled by the amount and frequency of rainfall, humidity, temperature, winds, etc., and whose complex action influences the existence of the beings subjected to it
Noun: I hate sunny days.
