Astronomy Flashcards

Exams

1
Q

What is the Big Bang therory?

A

therory on how the universe was created; the universe was one sole point in space, and then rapidly expanded. There was 100 000 000 anti matter particules battling 100 000 001 matter particules.

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2
Q

4 proofs why there was a Big Bang

A

Raging Elephants Run Calm. Also known as, refroidissement, expansion, relachement d’energie, and changements.

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3
Q

Name 6 componants of the universe

A

Galaxy, Nebuleuse, Etoile naine, Etoile massive, Supernova, Quasars, Trous noires, cometes, meteores, asteroides, meteorites.

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4
Q

Name the evolution of the stars

A

Nebuleuse planetaire, Proetoile, Etoile, Geante rouge/Supergeante rouge, Etoile naine blanche/Supernova, Etoile naine noire/Etoile a neutrons ou trou noire.

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5
Q

Name the 4 parts of the sun

A

La coeur, la zone radiatif, la zone convection, l’atmosphere et la courrone.

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6
Q

What is the goldilocks zone?

A

Where the Earth is in the solar system, it’s perfect to live in because it’s not too close to the sun that all of the water boils, but not too far away that all of the water freezes. ( So that we can have liquid water ).

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7
Q

What are taches solaires?

A

They are solar zones on the surface of the sun caused by magnetic variations. During this, the temperature of the sun is the coldest.

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8
Q

What are solar eruptions?

A

They are rapid and intense variations of lumioniste. The energy is magnetic and free.

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9
Q

What will happen on Earth if a solar eruption hit here?

A

There are 2 options:
1. It could “perturber les transmissions par des satellites.”
2. If there was a big eruption, it could “perturber les transformateurs electriques.”

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10
Q

What are aurores polaires?

A

Collisions of gas particules of the atmosphere of the Earth and charged particules free from the atmosphere of the Sun. They are located on the top and bottom of the Earth.

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11
Q

What are the 3 characteristiques of a planet, and where did pluto go wrong?

A
  1. They orbit the sun
  2. They are almost round
  3. They have a gravitational attraction sufficient to clear it’s vicinity of debris from it’s orbit (where pluto went wrong)
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12
Q

Name the order of the solar system

A

Sun, Mercury, Venus, Earth, Mars, Ceinture d’asteroides, Jupiter, Saturn, Uranus, Neptune, the Kuiper belt

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13
Q

Name the planets that are rocky planets

A

Mercury, Venus, Mars, Earth

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14
Q

Name the planets that are gas planets

A

Jupiter, Neptune, Saturn, Uranus

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15
Q

Name the characteristics of a rocky planet

A
  • Slower in space
  • Weigh more
  • Made with majority of rocks
  • Have 2 or less moons
  • Inferiereur diameter of 13 000 km
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16
Q

Name the characteristics of a gas planet

A
  • Mainly gas
  • Light for their size
  • Fast in space
  • Have a lot of moons
  • Superieur diameter of 48 000 km