2nd step of the solar system formation

Nebula flattens into disk and starts spinning

1st step of the solar system formation

Interstellar Dust and Gas cloud collapses

3rd step of the solar system formation

Center of disk temps and pressure rise and create protosun

5th step of the solar system formation

Nuclear Fusion starts and sun is born

How is Helium made in our Sun and other Stars

2 Hydrogen atoms are fused into Helium

The universe expanded

from one extremely dense point containing all matter

4th step of the solar system formation

Solid particles accrete into the protoplanets

Stars are formed when a nebular gas cloud

starts nuclear fusion due to heat and pressure

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Universe and Solar System

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Test Prep for Astronomy

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Questions 31

Answers

1
What is the main source of a stars energy
Electromagnetic radiation
Nuclear Fusion
A black hole
Nuclear Fission
2
A star moving away from earth shows
Blue Shift
Red Shift
3
The first main step in the formation of our Solar system is
Solar wind clears all remaining gases
Nebular Gas cloud collapses
Protostar starts nuclear fusion
Planets form by accretion of solid materials and gas
4
2nd step of the solar system formation
Solid particles accrete into the protoplanets
Nebula flattens into disk and starts spinning
Nuclear Fusion starts and sun is born
Interstellar Dust and Gas cloud collapses
5
Stars in which part of the HR Diagram are the lowest temperature and brightness
White Dwarf
Supergiants
Giants
Main Sequence
6
The last life stage of a High Mass Star is
White Dwarf
Supergiant
Neutron Star or Black Hole
Yellow Giant
7
Low Mass stars have shorter lives
True
False
8
Which end of the Main Sequence is High Mass Stars
Upper left
Lower Left
Upper Right
There are no high mass stars there
9
A high mass star will leave the main sequence and become a
Giant
Main Sequence Neutron Star
Supergiant
White Dwarf
10
The sun falls in what part of the HR Diagram
Main Sequence
White Dwarf
Supergiant
Red Giant
11
1st step of the solar system formation
Interstellar Dust and Gas cloud collapses
Center of disk heat and pressure rise and create a protostar
Nuclear Fusion starts and sun is born
Nebula flattens into disk and starts spinning
12
3rd step of the solar system formation
Center of disk temps and pressure rise and create protosun
Nuclear Fusion starts and sun is born
Interstellar Dust and Gas cloud collapses
Solid particles accrete into the protoplanets
13
Stars in which part of the HR Diagram burn the hottest
White Dwarf
Supergiants
Giants
Main Sequence
14
When nuclear fusion starts it creates
Angular Momentum
Supernova Shockwave
Solar Winds
Protoplanets
15
The nebula spun faster and faster as it contracted due to
Supernova Shockwave
Angular Momentum
Solar Winds
Protoplanets
16
Where are all the elements on the Periodic table made
Main sequence star
Supernova
Supergiant
Neutron Star
17
5th step of the solar system formation
Center of disk temps and pressure rise and create protosun
Nuclear Fusion starts and sun is born
Solid particles accrete into the protoplanets
Interstellar Dust and Gas cloud collapses
18
Galaxies that are farther away from us are moving away at the same speed
True
False
19
How is Helium made in our Sun and other Stars
2 Helium atoms are fused into Hydrogen
2 Carbon atoms are fused to make Helium
2 Helium atoms are fused into Carbon
2 Hydrogen atoms are fused into Helium
20
The universe expanded
The universe has always existed in its present state
from multiple dense points of matter
from one extremely dense point containing all matter
21
4th step of the solar system formation
Solid particles accrete into the protoplanets
Interstellar Dust and Gas cloud collapses
Center of disk temps and pressure rise and create protosun
Nuclear Fusion starts and sun is born
22
Stars in which part of the HR Diagram are the highest brightness
Main Sequence
White Dwarf
Supergiants
Giants
23
High Mass Stars have shorter lives
False
True
24
Jovian (Gas Giant) Planets formed outside the frostline
false
true
25
A low mass star will leave the main sequence and become a
Giant
White Dwarf
Main Sequence Neutron Star
Supergiant
26
HR diagram classifies stars by their
Temp, Color, Brightness
Class, Color, Elements
Elements, Temp, Mass
Mass, Temp, Class
27
The gas/dust cloud collapsed due to
Supernova Shockwave
Solar Winds
Protoplanets
Angular Momentum
28
Blue shift is a
none of the above
longer wave length
unchanged wave length
shortened wave length
29
________ planets formed within the frostline
Terrestrial
Jovian
Supergiant
30
Stars are formed when a nebular gas cloud
accretes into a protostar
explodes due to gravity compressing it
starts nuclear fusion due to heat and pressure
spins fast
31
When 2 Hydrogen atoms are fused together they become 1
Carbon Atom
Lithium Atom
Iron Atom
Helium Atom

Universe and Solar System Flashcards | StudBud