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How can a cool star be more luminous than a hot star?
Luminosity is related to temperature and distance.A cool and thus less luminous star would be brighter than a more luminous star at a greater distance.Our Sun is a relatively cool star in comparison to say Rigel, but because it is closer it appears more luminous and brighter.
Is a volcano erupting luminous or non luminous?
It is luminous
Why is a planet a non luminous object?
Planets are not hot enough to emit their own light. They only reflect light.
Is the earth luminous or non-luminous?
The earth is Non-luminous.
Is table luminous or non luminous?
It's non-luminous
Name two objects which are non-luminous at room temperature but can be made luminous when heated?
-- the filament in an incandescent light bulb-- the coils in a bread toaster
Is a luminous flame a hot flame?
All flames are hot
Is piece of red hot iron a transparent translucent opaque Luminous or non-Luminous?
opaque
What is the difference between luminous and non luminous?
-A non-luminous flame is when the air hole of the Bunsen burner is closed but a luminous flame is produced when the air hole is opened.-A luminous flame has an outer of orange colour and an inner of blue. A non-luminous flame has an outer of blue and an inner of orange.-A luminous flame produces soot while a non-luminous does not produce soot.-A luminous flame is weak and unsteady. A non-luminous flame is strong and steady.-A non-luminous flame is very hot while a luminous flame is not too hot.
Is a luminous gas flame hot?
Yes, but not as hot as the blue one.
What is a hot self-luminous shpere of gas?
star
Which is the best hot dog toaster on the market?
The best hot dog toaster on the market is a completely subjective opinion. However some of the highest rated hot dog toasters belong to the Nostalgia brand.
What category of star is hot but not very luminous?
Main sequence
What stars are extremely luminous but not hot?
Red giants, red supergiants.
How do you make hot sandwich in subway?
A sandwich can be heated in the toaster oven
What is a star in space?
A star is a luminous globe of hot gas that makes energy.
Is it possible for a toaster to convert light energy to heat energy if not what energy would it convert?
A toaster takes in electricity from some power source, then it uses this electricity to heat coils within the toaster. The coils get very hot, and emit heat in the form of electromagnetic radiation (light). The bread/bagel/sock that you put into the toaster absorbs this radiation and gets hot.
