ORIGIN OF THE UNIVERSE Flashcards

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1
Q

IT IS AN ORDINARY MATTER CONSISTING OF PROTONS, ELECTRONS, AND NEURONS.

A

BARYONIC MATTER

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2
Q

MATTER THAT HAS GRAVITY BUT DOES NOT EMIT LIGHT.

A

DARK MATTER

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3
Q

A SOURCE OF ANTI-GRAVITY;

A FORCE THAT COUNTERACTS GRAVITY AND CAUSES THE UNIVERSE TO EXPAND.

A

DARK ENERGY

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4
Q

AN EARLY STAGE IN THE FORMATION OF A STAR RESULTING FROM THE GRAVITATIONAL COLLAPSE OF GASES.

A

PROTOSTAR

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5
Q

A NUCLEAR FUSION REACTION RESPONSIBLE FOR THE ENERGY PRODUCTED BY STARS.

A

THERMONUCLEAR REACTION

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6
Q

THE DISTANCE LIGHT CAN TRAVEL IN A YEAR.

A

LIGHT YEARS

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7
Q

STUDY OF UNIVERSE

A

COSMOLOGY

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8
Q

DARK MATTER (PERCENT)

A

26.8%

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9
Q

DARK ENERGY (PERCENT)

A

68.3%

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10
Q

BARYONIC MATTER (PERCENT)

A

4.9%

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11
Q

ITS INTERPRETATION THAT GALAXIES ARE MOVING AWAY FROM EACH OTHER.

A

REDSHIFT

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12
Q

WHO DISCOVERED REDSHIFT?

A

EDWIN HUBBLE

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13
Q

RADIATION IN THE UNIVERSE.

A

COSMIC MICROWAVE BACKGROUND

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14
Q

AMERICAN RADIO ASTRONOMERS WHO DISCOVERED COSMIC MICROWAVE BACKGROUND.

A

ARNO PENZIAS AND ROBERT WOODRAW WILSON

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15
Q

COSMIC MICROWAVE BACKGROUND (YEAR).

A

1964

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16
Q

EXPANDING.

A

BIG BANG THEORY

17
Q

BIG BANG THEORY (YEAR).

A

1931

18
Q

WHAT DID GEORGES LEMAITRE CALL THE BIG BANG?

A

HYPOTHESIS OF THE PREMIVAL ATOM

19
Q

BELGIAN COSMOLOGIST, CATHOLIC PRIEST, AND FATHER THAT DISCOVERED THE BIG BANG THEORY.

A

GEORGES LEMAITRE

20
Q

EXPANDING BUT MAINTING A CONSTANT AVERAGE DENSITY.

A

STEADY STATE THEORY

21
Q

THREE (3) BRITISH SCIENTISTS WHO DISCOVERED STEADY STATE THEORY.

A

SIR HERMANN BONDI, THOMAS GOLD, AND SIR FRED HOYLE

22
Q

STEADY STATE THEORY WAS PROPOSED (YEAR)

A

1948