light years, theories and characteristics of the universe
DESCRIPTION
Light years, Theories and Characteristics of the Universe. Light year is: . Distance that light travels in a vacuum in one year, about 9.5 trillion km - which is used to record distances between stars and galaxies. Light year is : . Light year is not: . - PowerPoint PPT PresentationTRANSCRIPT
Light years,Theories and
Characteristicsof the Universe
Light year is: Distance that light travels in a vacuum in one year, about 9.5 trillion km- which is used to record distances between stars and galaxies
Light year is:
Light year is not: Light year is a
measure of DISTANCE – NOT TIME!!!!!!
Light year is:
Light year is:
SPEED of LIGHT is:
Lite Coke
Diet Coke
Diet Coke
SPEED of LIGHT is not:
BIG BANG THEORY is: A theory that states that about 12 billion to 15 billion years ago, the universe began with a huge, fiery explosion.
BIG BANG THEORY is:
BIG BANG THEORY is not:
BIG BANG THEORY is: A theory that states that about 12 billion to 15 billion years ago, the universe began with a huge, fiery explosion.
BIG BANG THEORY is:
UNIVERSE is: the totality of everything that exists, including all matter and energy, the planets, stars, galaxies, and the contents of intergalactic space.
UNIVERSE is:
UNIVERSE is not:
UNIVERSE is:
UNIVERSE is:
Galaxy is: Large group of stars, dust and gas held together by gravity; can be elliptical,
spiral, and irregular
Galaxy is:
Galaxy is not:
Galaxy is:
Irregular Galaxy
NEBULA is:
is an interstellar cloud of dust, hydrogen, helium and other ionized gases.
WHERE A STAR IS BORN!
NEBULA is:
NEBULA is:
is an interstellar cloud of dust, hydrogen, helium and other ionized gases.
WHERE A STAR IS BORN!
NEBULA is:
NEBULA is:
STAR is: A huge object in space made up of gas and giving off light and heat from nuclear reactions; the sun is a star
STAR is not:
STAR is:
MAIN SEQUENCE STAR is:
MAIN SEQUENCE STAR is:
A "main sequence star" is not really a type of star but a period in a stars life. When a star is in "main sequence" it is converting hydrogen into energy. It is then usually called a dwarf star. This is the longest period in a stars lifetime.
MAIN SEQUENCE STAR is:
MAIN SEQUENCE STAR not is:
MAIN SEQUENCE STAR is:
PLANETARY NEBULA is:
made up of gas and plasma, they are made by certain types of stars when they die.
PLANETARY NEBULA is:
PLANETARY NEBULA is:
PLANETARY NEBULA is not:
PLANETARY NEBULA is:
Luminosity is:
Luminosity is:
a measure of the radiant power emitted by a star.
Luminosity is:
Luminosity is not:
Luminosity is:
a measure of the radiant power emitted by a star.
Luminosity is:
Luminosity is:
a measure of the radiant power emitted by a star.
Hertzsprung-Russell diagram is:
a scatter graph of stars in which the absolute magnitude (intrinsic luminosity) of stars is plotted vertically against their surface temperature (or corresponding spectral types)
Hertzsprung-Russell diagram is:
Hertzsprung-Russell diagram is:
Hertzsprung-Russell diagram is not:
Hertzsprung-Russell diagram is:
ABSOLUTE MAGNITUDE is:
ABSOLUTE MAGNITUDE is:
a measure of the star's luminosity---the total amount of energy radiated by the star every second.
ABSOLUTE MAGNITUDE is:
ABSOLUTE MAGNITUDE is not:
APPARENT MAGNITUDE is:
The apparent brightness of a star observed from the Earth
APPARENT MAGNITUDE is:
APPARENT MAGNITUDE is not:
APPARENT MAGNITUDE is:
The apparent brightness of a star observed from the Earth
APPARENT MAGNITUDE is:
the "what you see is what you get" magnitude
APPARENT MAGNITUDE is:
The apparent brightness of a star observed from the Earth
APPARENT MAGNITUDE is:
Electromagnetic Spectrum is:
Electromagnetic Spectrum is:
Full range of electromagnetic waves
Electromagnetic Spectrum is:
Electromagnetic Spectrum is not:
Electromagnetic Spectrum is:
TROUGH is:
the lowest part of a wave; the part of a wave with the least magnitude.
TROUGH is:
TROUGH is not:Get out of my
Trough!
TROUGH is:
the lowest part of a wave; the part of a wave with the least magnitude.
TROUGH is:
TROUGH is:
the lowest part of a wave; the part of a wave with the least magnitude.
TROUGH is:
CREST is:
CREST is:
the highest part of a wave; the part of a wave with the greatest magnitude.
CREST is:
CREST is not:
CREST is:
WAVELENGTH is:
WAVELENGTH is:
The distance between successive crests of a wave
WAVELENGTH is:
WAVELENGTH is not:
WAVELENGTH is:
FREQUENCY is:
FREQUENCY is:
the number of occurrences of a repeating event per unit time.
FREQUENCY is:
FREQUENCY is not:
FREQUENCY is:
NANOMETER is:
NANOMETER is:
1 billionth of a meter, written 10⁻⁹ m
NANOMETER is:
NANOMETER is:
Hertz is:Measurement of wave frequency equal to vibrations per second.
Hertz is:
Spectrometer is:
Used to measure the property of light
