a group of planets, stars, and black holes

once a main sequence star burns all its hydrogen

it expands and becomes a red giant

What are the 4 jovian planets?

Jupiter, Saturn, Uranus, Neptune

What is a terrestrial planet?

A planet made of hard hunks of rock

A luminous ball of gas and dust

clouds of gas and dust in space

What Is The Solar System?

Is the Sun and all the planets that orbit around it like asteroids stars

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Junior Cert: Galaxies, Stars and the Solar System

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Questions 23

Answers

1
What separates the Terrestrial and Jovian planets?
nebulae
asteroid belt
nothing
stars
2
what is a galaxy?
a group of planets, stars, and black holes
a group of stars, plants and black holes
a group of stars
a solar system
3
What shape is the Milky Way?
Star
Spiral
Circular
Square
4
What kind of reactions are happening in the core of the star?
Nuclear Fusion
Nuclear explosion
Nuclear Fission
Nuclear Proliferation
5
What force pulls particles together in a nebula?
gravity
friction
nuclear fusion
the force
6
What are the terrestrial planets
Earth, Mars, Jupiter, Mercury
Mercury Venus, Earth, Saturn
Venus, Earth, Mars, Jupiter
Mercury, Venus, Earth, Mars
7
A supernova is:
the explosion of a star
when two planets collide
the ring around Saturn
the death of a planet
8
once a main sequence star burns all its hydrogen
it expands and becomes an imperial star
it shrinks and becomes a red star
it expands and becomes a super star
it expands and becomes a red giant
9
What is the name of our Galaxy?
The Milk
The Milky Way
The Melky Way
The Milky Chocolate
10
Is the Sun a star or a planet?
planet
star
neither
a start AND a planet
11
How old is our Solar System?
~5.2 BYO
~4.6 BYO
~7.4 BYO
~13.8 BYO
12
What happened if the sun was a red giant?
Some planets will explode
Mars is very hot
Earth will be melting
It will swallow Mercury,Venus
13
What are the 4 jovian planets?
None of the above
Mercury, Venus, Earth, Mars
Pluto, Eris, Makemake, Haumea, Ceres
Jupiter, Saturn, Uranus, Neptune
14
What planet or planetoid is this?
Mars
Ceres
Mercury
Pluto
15
The Sun become a white dwarf before a red giant.
True
False
16
What is nuclear fusion?
Helium fusing to make lithium
Hydrogen fusing to make helium
Helium breaking apart into 2 hydrogens
Neutrons fusing to make protons
17
the sun will become a red giant in about 5 billion years
True
False
18
What phase is our sun currently in?
Neutron Star
Red Giant
Main Sequence
Red Supergiant
19
Stars are made mostly of Hydrogen and Helium.
False
True
20
What is a terrestrial planet?
A planet made of gases
A planet made of hard hunks of rock
A planet with living life
A planet without any living life
21
What Is A Star?
A very bright piece of glass that stays in one spot forever
A very cold rock that was once a comet
A luminous ball of gas and dust
A very heated rock that is always moving
22
What are nebulae?
groups of exploding stars
a collection of stars
groups of stars forming a pattern
clouds of gas and dust in space
23
What Is The Solar System?
The solar system is the sun with a lot of asteroids
The solar system is the sun with a lot of asteroids
Is the Sun and all the planets that orbit around it like asteroids stars
The solar system is the earth with a lot of planets around

Junior Cert: Galaxies, Stars and the Solar System Flashcards | StudBud