Telescopes and Observation

Understand how telescopes work and the basics of astronomical observation.

Sample Cards

Telescope

An optical instrument used to observe distant objects by collecting light

Hubble Space Telescope

The telescope that orbits Earth and has provided some of the most detailed images of the universe

Reflecting Telescope

A type of telescope that uses mirrors to collect and focus light

Refracting Telescope

A type of telescope that uses lenses to gather and focus light

James Webb Space Telescope

The new space telescope designed to look deeper into the universe than Hubble

Radio Telescopes

A type of telescope that observes radio waves from astronomical objects

Adaptive Optics

A technology used in modern telescopes to improve the resolution of objects by countering the eff...

Infrared Telescopes

Telescopes that use infrared light to observe objects in space

Telescopes and Observation Flashcards

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Telescope

An optical instrument used to observe distant objects by collecting light

An optical instrument used to observe distant objects by collecting light

Telescope

Hubble Space Telescope

The telescope that orbits Earth and has provided some of the most detailed images of the universe

The telescope that orbits Earth and has provided some of the most detailed images of the universe

Hubble Space Telescope

Reflecting Telescope

A type of telescope that uses mirrors to collect and focus light

A type of telescope that uses mirrors to collect and focus light

Reflecting Telescope

Refracting Telescope

A type of telescope that uses lenses to gather and focus light

A type of telescope that uses lenses to gather and focus light

Refracting Telescope

James Webb Space Telescope

The new space telescope designed to look deeper into the universe than Hubble

The new space telescope designed to look deeper into the universe than Hubble

James Webb Space Telescope

Radio Telescopes

A type of telescope that observes radio waves from astronomical objects

A type of telescope that observes radio waves from astronomical objects

Radio Telescopes

Adaptive Optics

A technology used in modern telescopes to improve the resolution of objects by countering the effects of atmospheric turbulence

A technology used in modern telescopes to improve the resolution of objects by countering the effects of atmospheric turbulence

Adaptive Optics

Infrared Telescopes

Telescopes that use infrared light to observe objects in space

Telescopes that use infrared light to observe objects in space

Infrared Telescopes

Light Pollution

The artificial light that interferes with astronomical observations, particularly from ground-based telescopes

The artificial light that interferes with astronomical observations, particularly from ground-based telescopes

Light Pollution

Ground-Based Observatories

Telescope facilities located on Earth's surface used for astronomical observations

Telescope facilities located on Earth's surface used for astronomical observations

Ground-Based Observatories

Space-Based Telescopes

Telescopes located outside of Earth's atmosphere, offering advantages such as avoiding light pollution and atmospheric distortion

Telescopes located outside of Earth's atmosphere, offering advantages such as avoiding light pollution and atmospheric distortion

Space-Based Telescopes

Different Wavelengths Observation

The use of telescopes to observe different types of light beyond the visible spectrum (Radio, Infrared, Ultraviolet, X-ray)

The use of telescopes to observe different types of light beyond the visible spectrum (Radio, Infrared, Ultraviolet, X-ray)

Different Wavelengths Observation

Gravitational Lensing

A phenomenon where a massive object bends the path of light, often used in astronomy to study distant objects. Telescopes can observe these effects.

A phenomenon where a massive object bends the path of light, often used in astronomy to study distant objects. Telescopes can observe these effects.

Gravitational Lensing

Telescope Resolution

The ability of a telescope to distinguish between two separate objects that are close together. Greater resolution gives finer detail

The ability of a telescope to distinguish between two separate objects that are close together. Greater resolution gives finer detail

Telescope Resolution

Spectroscopy

A technique used in astronomy to determine the composition, temperature, velocity, and other characteristics of an object

A technique used in astronomy to determine the composition, temperature, velocity, and other characteristics of an object

Spectroscopy

Aperture

In telescopes, aperture is the diameter of the lens or mirror, and determines the amount of light the telescope can collect

In telescopes, aperture is the diameter of the lens or mirror, and determines the amount of light the telescope can collect

Aperture

Exoplanets Observation

The role of telescopes in discovering planets outside our solar system by observing their effects on their host stars

The role of telescopes in discovering planets outside our solar system by observing their effects on their host stars

Exoplanets Observation

Black Holes Observation

The use of telescopes to study black holes, often indirectly by observing objects being affected by them

The use of telescopes to study black holes, often indirectly by observing objects being affected by them

Black Holes Observation

Telescope Arrays

Groups of telescopes working together, such as ALMA or VLA, to increase resolving power or to observe larger areas of the sky

Groups of telescopes working together, such as ALMA or VLA, to increase resolving power or to observe larger areas of the sky

Telescope Arrays

Parallax

A technique for measuring distances to nearby stars using the apparent shift of position as seen from two different points

A technique for measuring distances to nearby stars using the apparent shift of position as seen from two different points

Parallax

Telescopes Evolution

The progression and advancements in telescope technology from Galileo's first optic tube to today's modern space telescopes

The progression and advancements in telescope technology from Galileo's first optic tube to today's modern space telescopes

Telescopes Evolution

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