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Jupiter's atmosphere

Venus's middle and lower atmosphere

Asteroid distribution

The journey of the Galileo spacecraft to Jupiter, highlighting major observations along the trajectory, as well as their dates.

Diagram showing interior of Jupiter

Diagram showing interior of Jupiter

Diagram showing interior of Jupiter

Pluto and the Kuiper belt

Near-Earth objects

Uranus's orbit

Solar system planets, illustratoin

Solar system planets, illustratoin

Planets as one, illustration

Planets as one, illustration

Solar System Distances to Scale

Scale of Solar System Bodies

Scale of Solar System Bodies

Scale of Solar System Bodies

Scale of Solar System Bodies

Scale of Solar System Bodies

Moon interior

Pluto-Charon mutual eclipses

In Ptolemy's geocentric model of the universe, the Sun, Moon, and each planet orbit a stationary Earth.

Changes in ion permeance underlying the action potential.

Diagram of the Asteroid Belt

Diagram of the Asteroid Belt

Cross section of a crystal microphone.

Speedometer

Spring balance

Nuclear blast and radiation effects

Blood alcohol concentration

Blood alcohol concentration

Solar system astronomy, 19th century

The diffusion of water across a semipermeable membrane.

The diffusion of potassium cations across a semipermeable membrane.

Fission bomb designs

Thermonuclear warhead

Average exchange of energy between the surface, atmosphere, and space, as percentages of incident solar radiation.

Artist's impression of the Oort Cloud

Approaching the speed of light, an object appears shorter, with a longer time interval, relative to its intervals when at rest.

Internal structure of Earth, illustration

Evolution of the Universe, artwork

Earth and Moon space-time warp, artwork

Solar System Compared to North America

Solar System Compared to North America

Solar System Compared to North America

Relationships of endocrine glands, from the pituitary-hypothalamus system to the vertebrate endocrine glands and their hormones.

The mechanical components of a compound microscope.

Image formation in a microscope, according to the Abbe theory.

A cross section of Earth's outer layers, from the crust through the lower mantle.

Aurora Australis

Horizontal divergence and convergence patterns associated with the polar-front jet.

The process of cell division by mitosis.

General patterns of atmospheric circulation over an idealized Earth with a uniform surface and the actual Earth.

The Michelson interferometer measures the effect on the speed of light of the motion of the ether through which light travels.

Automotive-type lead-acid battery, a storage battery that holds its charge for a long time and can be recharged.

Three types of natural selection, showing the effects of each on the distribution of phenotypes within a population.

Evolutionary history of the globin genes. The dots indicate the duplication of ancestral genes, giving rise to new gene lineage.

The steps involved in the engineering of a recombinant DNA molecule.

The components of a scanning electron microscope (SEM).

The components of a transmission electron microscope (TEM).

Diagram depicting the process of atoll formation. Atolls are formed from the remnant parts of sinking volcanic islands.

Differentiation of the external genitalia in the human embryo and fetus.

Valley and mountain breezes

Seismic ray types in Earth's interior from earthquake at F.

Phylogeny based on differences in the protein sequence of cytochrome c in organisms ranging from Neurospora mold to humans.

Birth of Galaxies

Internal structure of Mercury, illustration

Internal structure of Earth, illustration

The onset and retreat of the West African monsoon with respect to the timing of the direct rays of the sun.

18th Century astronomical diagrams

Wormhole through hyperspace, artwork

Uniformly accelerated motion; s = speed, a = acceleration, t = time, and v = velocity.

The 4-D space-time continuum is distorted in the vicinity of any mass, depending on the mass and the distance from the mass.

Life-cycle of the Sun, artwork

Internal structure of Mercury, illustration

Internal structure of Mercury, illustration

Internal structure of Earth, illustration

Structure of Planetary Rings

Rising air in an unstable atmosphere

Dwarf planets and moons, illustration

Dwarf planets and moons, illustration

America compared with Valles Marineris, illustration

Artwork of the orbits of the Solar System

How Uranus got its Tilt

Dwarf Planets and Earth Compared

Dwarf Planets and Moon Compared

Dwarf Planets Compared

Inner structure of Jupiter, illustration

Inner structure of Jupiter, illustration

Wormhole through hyperspace, artwork

Model of Jupiter's interior, illustration

Diagram of a mammalian muscle spindle.

Basic characteristics of orbits in which a satellite can be placed around Earth, categorized by inclination, shape and altitude.

Two types of pressure gauge: the U-tube manometer and the Bourdon-tube gauge.

When monochromatic light passes through two narrow slits to illuminate a screen, it creates a pattern of bright and dark bands.

When monochromatic light passing through a single slit illuminates a screen, a characteristic diffraction pattern is observed.

Solar System Structure Out to Oort Cloud

Astronomical clock, 19th century

Theoretical depiction of the movement of tectonic plates across Earth's surface.

Jupiter, artwork

Basic components of an electrochemical cell.

U.S. space station Skylab (occupied 1973-74), shown with docked Apollo Command and Service modules.

Dwarf planets size comparison, illustration

Dwarf planets size comparison, illustration

Dwarf planets, illustration

The endoplasmic reticulum plays an important role in the biosynthesis, processing, and transport of proteins and lipids.

Human arterial supply and venous drainage of the organs.

Diagram of a wave system depicting typical divergence and convergence distributions for non-tilting and tilting systems.

Electromagnetic spectrum. The visible range (shaded portion) is shown enlarged on the right.

The stages in the evolution of a wave (frontal) cyclone.

Impact on Jupiter's moon Europa, illustration

Height of space from Earth, illustration

The age of Earth's oceanic crust, as measured in millions of years.

Space station Mir, after its completion in 1996, with the launch dates of each modular component shown.

Jupiter's Great Red Spot, illustration

Jupiter's Great Red Spot and Io, illustration

Jupiter's atmosphere, conceptual artwork

Jovian satellites diagram, 1659

The weather model of meteorologist Edward Lorenz.

Light waves matching the orientation of the molecules of a polarizing filter are absorbed, reducing the intensity of the light.

The artery wall and the ultrastructure of the smooth muscle cells within it.

Cutaway of a red dwarf star

Cutaway of a red dwarf star

Cutaway of a red dwarf star

Spiral galaxy, schematic illustration

Comparison of the Sun and Stephenson 2-18, illustration

Comparison of Sun and Stephenson 2-18, illustration

Interior of Sun

Interior of Sun

Asteroseismology

Solar Granulation

Diagram of comet reservoirs

Diagram of comet reservoirs

Diagram showing interior of Jupiter

Diagram showing interior of Jupiter

Illustration of the heliosphere

Illustration of the heliosphere

Sun and terrestrial planets, illustration

Galaxy collision and merger, illustration

Birth and Death of the Solar System

Birth and Death of the Solar System

Birth and Death of the Solar System

Dwarf Planets and Moons Compared

Solar Life Cycle

Solar Life Cycle

Diagram of Great American Eclipse, 2017

Diagram of Great American Eclipse, 2017

Diagram of Great American Eclipse, 2017

Diagram of Great American Eclipse, 2017

Solar system, 18th century engraving

Stages in the process of meiosis, cell division among sexually reproducing organisms.

Receptor-mediated endocytosis enables cells to ingest molecules such as protein that are necessary for normal cell functioning.

Transverse section of an artery.

Diagram of a human uterus during the fourth month of pregnancy.

Moons of the eight major planets.

Moons of the eight major planets

Geometry of a solar and a lunar eclipse.

Geometry of a solar and a lunar eclipse.

Jupiter, illustration

The relationship between hot springs and epithermal veins.

Annual temperature and precipitation patterns for several locations with different climatic conditions.

Comet approaching Jupiter, illustration

Jupiter, illustration

Jupiter, illustration

Apollo mission profile for a lunar landing and return, outlining the various stages along the mission.

Kepler-7b and Jupiter, illustration

Jupiter from its moon Amalthea, illustration

Tides on Jupiter's moon Io, illustration

Orbits of moons of Jupiter, illustration

Jupiter and moons, illustration

Jupiter and moons, illustration

Early solar system planets, artwork

Outer solar system planets, artwork

Electron shell

Four main types of estuaries: A) salt wedge estuary, B) partially mixed estuary, C) vertically homogeneous estuary, D) fjord.

Cross section of a V-type engine.

Blood vessel repair, artwork

Acne, artwork

Blood vessel formation, artwork

Ascites, artwork

Asthma inhaler use, artwork

Asthma inhaler use, artwork

Draining ascites, artwork

Heart conduction system, artwork

Jupiter, illustration

Solar System, illustration

Jupiter from space, illustration

Aurora on Jupiter, artwork

Jupiter, illustration

Jupiter, illustration

Jupiter, illustration

Earth's prebiotic and modern atmosphere

Earth compared to Jupiter

Earth compared to Jupiter

Jupiter from Europa, artwork

Jupiter from Europa, artwork

Theoretical diagram showing the effects of an advancing tectonic plate on other adjacent, but stationary, tectonic plates.

Kepler-13Ab exoplanet and host stars, illustration

Exoplanet orbiting binary dwarf stars, illustration