Hubble

Hubble

American astronomer who showed that there are galaxies beyond our own and that they are constantly moving outwards from ours.

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Part of Speech: proper noun
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Industry/Domain: Astronomy
Category: Galaxy
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Related terms

hubble constant

Science; General science

A number that characterizes the expansion rate of the universe and is required to determine its age. In the standard big bang model, the local universe expands uniformly according ...

hubble-bubble

Language; Dictionaries

A tobacco pipe, so arranged that the smoke passes through water, making a bubbling noise, whence its name. In India, the bulb containing the water is often a cocoanut shell.

Hubble constant

Astronomy; General astronomy

slope of the line relating the speed of the galaxies away from each other and their distance apart from each other.

Hubble Law

Astronomy; General astronomy

the relationship between a galaxy's recession speed from other galaxies and the distance between them: the recession speed = H × distance, where H is the Hubble constant. The ...

Hubble Space Telescope (HST)

Earth science; Geology

A 98 inch, Earth orbiting reflecting space telescope which is equipped with infrared, x-ray and other electromagnetic sensors. Named after famous American astronomer, Edwin ...

galaxy

Astronomy; Galaxy

A galaxy is a massive, gravitationally bound system that consists of stars and stellar remnants, an interstellar medium of gas dust, and an important but poorly understood ...

black hole

Astronomy; Galaxy

A black hole is the circular dark space that sits at the center of a galaxy which absorbs everything including light so nothing can be reflected or escaped from it. Around a black ...

Magellanic Clouds

Astronomy; Galaxy

Two small galaxies that are the galaxies closest to the Milky Way. These are faintly visible in the night sky of the Southern Hemisphere.

quasar

Astronomy; Galaxy

A very bright, star like object that is extremely far away from the Earth. A quasar produces several thousand times as much energy as the entire Milky Way galaxy.

asteroid number

Astronomy; Galaxy

Asteroids are assigned a serial number when they are discovered; it has no particular meaning except that asteroid N+1 was discovered after asteroid N

active sun

Astronomy; Galaxy

The Sun during its 11-year cycle of activity when spots, flares, prominences, and variations in radiofrequency radiation are at a maximum.

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