astromony Flashcards

1
Q

Ptolemy

A

Claudius Ptolemy was a Roman mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises,

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2
Q

Copernicus

A

Nicolaus Copernicus was a Renaissance polymath, active as a mathematician, astronomer,

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3
Q

Brahe, Tycho

A

Tycho Brahe; born Tyge Ottesen Brahe; generally called Tycho was a Danish astronomer, known for his comprehensive and unprecedentedly accurate astronomical observations.

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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, and author who was described in his time as a natural philosopher.

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7
Q

Hubble, Edwin

A

Edwin Powell Hubble was an American astronomer. He played a crucial role in establishing the fields of extragalactic astronomy and observational cosmology. Hubble proved that many objects previously thought to be clouds of dust and gas and classified as “nebulae” were actually galaxies beyond the Milky Way.

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8
Q

Ursa major

A

Ursa Major is a constellation in the northern sky,

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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. In the second century,

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12
Q

Cassiopeia

A

Cassiopeia is a constellation in the northern sky named after the vain queen Cassiopeia,

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13
Q

Red giant

A

A red giant is a dying star in the final stages of stellar evolution

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14
Q

white dwarf

A

A white dwarf is a stellar core remnant composed mostly of electron-degenerate matter

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15
Q

Main-sequence star

A

A main sequence star is 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

Light-year is the distance light travels in one year.

20
Q

Polaris

A

big consolation in the north sky