Space 2 Question Preview (ID: 61525)
Components Of The Universe, Seasons, Moon Phases, Rotation/Revolution, Tides.
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When the moon is growing larger on the right side.
a) waning
b) waxing
c) gibbous
d) crescent
When the Moon Earth, and Sun are aligned in a straight line, the gravitational pull is at its?
a) weakest
b) strongest
c)
d)
When the moon is getting smaller and the light is on the left side.
a) waxing
b) crescent
c) gibbous
d) waning
The types of waves that can travel through space are called ____ waves.
a) Electromagnetic
b) Mechanical
c) Magical
d) Luminosity
How many days does it take the moon to orbit the Earth?
a) 24 hours
b) 31 days
c) 365 days
d) 28 days
On the HR diagram, the trend for main sequence stars is -
a) the hotter the star is the brighter it is.
b) the hotter the star is, the dimmer it is.
c) the cooler the star is, the brighter it is.
d)
Which of the following is NOT a galaxy shape?
a) Elliptical
b) Irregular
c) Rectangular
d) Spiral
A star's light takes 125 years to travel from the star to our Earth. How far away is the star?
a) 125 astronomical units
b) 125 light years
c) 125 trillion miles
d) 125 years
Our solar system is located where in the Milky Way galaxy?
a) In the center of the galaxy
b) Just outside the galaxy
c) Halfway out from the center
d) Toward the outside of the arms
Our Sun is considered to be a ___________ star.
a) Red Giant
b) Main Sequence
c) White Dwarf
d) Blue Giant
Earth rotates ______ on its axis
a) clockwise
b) counterclockwise
c) forwards
d) backwards
How long does it take Earth to complete one complete rotation?
a) 12 hours
b) 24 hours
c) 27.3 days
d) 365 days
What causes day and night?
a) Earth's tilted axis
b) Earth's revolution
c) Earth's rotation
d) moon's rotation
When are the days the longest in the Northern Hemisphere?
a) Spring
b) Fall
c) Summer
d) Winter
Which two properties did Hertzsprung and Russell use to classify stars?
a) Temperature and Size
b) Magnitude and Luminosity
c) Temperature and Luminosity
d) Luminosity and Brightness
What is the general relationship between the surface temperature and magnitude of a main sequence star?
a) As the temperature increases, the magnitude also increases.
b) As the temperature increases, the magnitude decreases.
c) As the temperature increases, the magnitude remains the same.
d) As the temperature remains the same, the magnitude increases.
The Sun appears larger than other stars because of its...
a) Yellow color
b) Distance from Earth
c) High temperature
d) Chemical composition
The planets revolve around our Sun which is the center of our solar system. What keeps our planets in orbit around the Sun?
a) Atmospheric pressure
b) Thermal energy
c) Gravitational force
d) Electromagnetic energy
Where are stars formed and born?
a) in Nebulae
b) in black holes
c) in solar systems
d) in larger stars
What color are the hottest stars?
a) Red
b) White
c) Blue
d) Yellow
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