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Geography > The Universe > Flashcards

The Universe Flashcards

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1
Q

Ptolemy

A

Book : Almagest

Earth centered universe

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2
Q

Copernicus

A

Sun not earth the center of the universe 1543

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3
Q

Herschel

A

Universe was not confined by solar system there is more

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4
Q

Hubble’s law

A

Edwin Hubble showed that nabulae were distant galaxies 1924

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5
Q

Doppler effect

A

Star moving towards observer then the light will shift toward the blue spectrum
If the star is moving away then it will shift towards the red spectrum

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6
Q

Big band theory

A

Abbe georges

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7
Q

Steady state theory

A

Hermann Boudi

Thomas Gold

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8
Q

Pulsating theory

A

Dr Alan Sandage

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9
Q

A light year is

A

5.88 *10^12 miles

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10
Q

Maximum duration of the solar Eclipse

A

7minutes 40 seconds

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11
Q

Maximum duration of the Lunar eclipse

A

100 minutes

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12
Q

Largest satellite in the solar system

A

Ganymede is the satellite of Jupiter

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13
Q

The principle of black hole was enunciated by

A

S. Chandrasekhar

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14
Q

Distance of moon from earth

A

384400

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15
Q

Which planet has most number of volcanoes

A

Venus

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16
Q

Approximate diameter of the earth is

A

12800km

17
Q

Blue moon

A

A blue moon is an additional full moon that appears in a subdivision of a year: either the third of four full moons in a season, or a second full moon in a month of the common calendar.

Geography (4 decks)

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