Chapter 1A Flashcards

1
Q

The study of comets, moon phases, planets, nebulae, stars, galaxies, moon phases

A

Astronomy

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2
Q

Looking back about 13 billion years (400-800 million years after big bang) (10,000 galaxies)

A

Hubble Ultra Deep Field

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3
Q

Image from small part of space from Hubble Ultra Deep which compiled 10 years of previous images and shows galaxies from 13.2 billion years ago.
Exposure time is 23 days (adding 5,500 galaxies)

A

Hubble Extreme Deep Field

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4
Q

43.5 ft long and 14 ft diameter

A

Hubble Telescope

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5
Q

How much is supermoon bigger

A

14%

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6
Q

Torus-shaped region in Solar System between orbit of Jupiter and Mars with irregular shapes

A

Asteroid Belt

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7
Q

79 moons with 4 big moons

A

Jupiter

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8
Q

Io, Europa, Ganymede, and Calisto

A

Supermoons from Jupiter

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9
Q

What is the most active of all Galiean Moons with volcanic activity

A

Io with bursting energy

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10
Q

What is the radius of the Solar Neighborhood

A

Neighborhood stars move with the sun in its orbit around center of galaxy

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11
Q

100,000 light years across and 1,000 light years thick

A

Milky Way Galaxy

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12
Q

54 galaxies (6.5 million light-years in diameter)

Andromeda, Triangulum, Milky Way

A

Local Group

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13
Q

Collection of galactic groups to thousands of galaxies

A

Local Supercluster

Example would be supercluster cluster (130 million LY in diameter)

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14
Q

Order of Cosmic Address

A

Earth, Solar System, Solar interstellar neighborhood, milky way, local group, cluster, supercluster, filaments of supercluster, universe

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15
Q

The assumption that the same physical laws that apply here apply everywhere with no special locations or directions in universe

A

Cosmological Principle

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16
Q

How fast does Earth rotate

A

1,275 km/hr

792 mi/hr

17
Q

How fast does Earth orbit around sun

A

100,000 km/hr

60,000 mi/hr

18
Q

800,000 km/hr
500,000 mi/hr
Traveling distance

A

Milky Way

19
Q

405,600 km/hr

252,000 mi/hr

A

Moving in local group

20
Q

Theory where electromagnetic, weak, and strong forces are merged into a single force

A

Grand Unified Theory

21
Q

At high energy, electromagnetic and weak interaction unify to single electroweak interaction

Strong interaction and electroweak interaction unify into a single electronuclear interaction

A

Grand Unified Theory

22
Q

Planck Era, Gut Era, Electroweak Era, Particle Era

A

Order of theory of when we came to be

23
Q

What was the era when there was One Force

A

Planck Era

24
Q

Era with GUT gravity

A

GUT Era

25
Q

Era with strong electroweak gravity

A

Electroweak era

26
Q

Gut gravity and strong weak electro gravity are what particles

A

Elementary particles

27
Q

What era with Strong Weak Electromagnetic gravity

A

Particle Era where antimatter is common

28
Q

Forces into existence, elementary particles, protons/atoms formed, galaxies form, stars form, we form

A

Theory of existence

29
Q

H, He, D, Li, Be

A

Primordial light atoms

30
Q

What is subatomic particle to an atom

A

Subatomic particles are particles consisting of an atom like proton, neutron, and electron

31
Q

The unit of length effectively equal to the average or mean distance between Earth and Sun

146.6 km

A

Astronomical unit

32
Q

740,000 plus miles in universe

A

Expanding galaxies

33
Q

Galaxies, nebula, stars, planets, dwarf planet, moons, asteroids, comets

A

Parts of universe

34
Q

A body of ice, rock and dust that orbits sun

A

Comet

35
Q

Metal and rocky material formed closet to sun that are bigger

A

Asteroid