Astronomers and Stars Flashcards

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1
Q

Ptolemy

A

Claudius Ptolemy was a Roman mathematician, astronomer, astrologer, geographer, and music theorist

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2
Q

Copernicus

A

Nicolaus Copernicus was a Renaissance polymath, active as a mathematician, astronomer, and Catholic canon

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3
Q

Brahe, Tycho

A

Tycho Brahe; born Tyge Ottesen Brahe; generally called Tycho was a Danish astronomer

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4
Q

Kepler, Johannes

A

Johannes Kepler was a German astronomer, mathematician, astrologer, natural philosopher and writer on music

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5
Q

Galileo

A

Galileo di Vincenzo Bonaiuti de’ Galilei was an Italian astronomer, physicist and engineer, sometimes described as a polymath

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6
Q

Newton, Isaac

A

Sir Isaac Newton FRS was an English mathematician, physicist, astronomer, alchemist, theologian

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7
Q

Hubble, Edwin

A

Edwin Powell Hubble was an American astronomer

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8
Q

Ursa major

A

Ursa Major is a constellation in the northern sky, whose associated mythology likely dates back into prehistory.

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9
Q

Ursa minor

A

Ursa Minor, also known as the Little Bear, is a constellation located in the far northern sky

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10
Q

Orion

A

Orion is a prominent constellation located on the celestial equator and visible throughout the world

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11
Q

Canis major

A

Canis Major is a constellation in the southern celestial hemisphere

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12
Q

Cassiopeia

A

a constellation of the northern sky easily recognized by a group of five bright stars forming a slightly irregular W

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13
Q

Red giant

A

a dying star in the final stages of stellar evolution

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14
Q

White dwarf

A

what stars like the Sun become after they have exhausted their nuclear fuel

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15
Q

Main-sequence star

A

any star that has a hot, dense core which fuses hydrogen into helium to produce energy

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16
Q

Supernova

A

A supernova is a powerful and luminous explosion of a star

17
Q

Black hole

A

A black hole is a region of spacetime where gravity is so strong that nothing, including light or other electromagnetic waves, has enough energy to escape its event horizon

18
Q

Parallax

A

the apparent displacement or the difference in apparent direction of an object as seen from two different points not on a straight line with the object

19
Q

Light-year

A

the distance light travels in one year

20
Q

Polaris

A

Polaris Inc. is an American automotive manufacturer headquartered in Medina, Minnesota, United States.