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The Hubble Space Telescope orbits outside the distorting influence of Earth´s atmosphere.
The Kepler space telescope was launched by NASA to discover Earth-like planets orbiting other stars
A wide variety of optical instruments are in use today, ranging from microscopes to telescopes.
The Space Shuttle was a manned, reusable spacecraft operated by NASA.
This animation shows optical and radiotelescopes used in astronomical observation.
This animation demonstrates the process of star development for average and massive stars.
The Voyager space probes were the first man-made objects to leave the Solar System. They gather data about outer space and carry information about humanity.
Comets are spectacular celestial bodies orbiting the Sun.
Massive accelerating or orbiting bodies cause ripples in spacetime. These are called gravitational waves.
Satellites orbiting the Earth can be used for civilian or military purposes.
This animation introduces the studies of astronomers and physicists whose works fundamentally changed our view of the universe.
James Cook's legendary journey around the world proved to be enormously valuable for science.
The diameter of our galaxy is about 100,000 light years; it contains more than 100 billion stars, one of which is our Sun.
A ray of light is reflected or refracted at the boundary of two mediums with different refractive indices.
Concave and convex lenses are used for the correction of short-sightedness and far-sightedness.