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forsale [732]
4 years ago
11

The apparent brightness of stars, in general, tells us nothing about their distances; we cannot assume that the dimmer stars are

farther away. In order for the apparent brightness of a star to be a good indicator of its distance, all the stars would have to be:
Geography
1 answer:
Kruka [31]4 years ago
6 0

Answer:

the same brightness and the same type of star

Explanation:

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Based on your knowledge of blackbodies, should the hotter star or the cooler star be more luminous
Liono4ka [1.6K]

Answer:

Hotter star is more luminous.

Explanation:

A blackbody is an object that absorbs all the radiation incident on it. It does not reflect or let the radiation pass through it.

When the radiations are absorbed, the blackbody heats up. This results in the emission of radiation by the blockbody.

The amount of radiation the black body emits, depends upon the temperature of the blackbody. Therefore, greater the temperature of the blackbody, more the emitted radiation.

A star is very similar to a blackbody. So, if two stars are compared, then the hotter star will emit more light as compared to the cooler star.

Therefore, the hotter star will be more luminous than the cooler star.

6 0
3 years ago
The __________ equinox indicates the first day of __________.
Lilit [14]
Vernal, spring are the answers
8 0
3 years ago
Chemical sedimentary rock is
DanielleElmas [232]

Answer:

solutions of dissolved minerals

Explanation:

3 0
3 years ago
The Serbs the ethnic majority in Yugoslavia protested against ethnic cleansing<br> true <br> false
vagabundo [1.1K]
False, the Serbian military and Serbian Parliament committed numerous crimes during the Yugoslav wars, including ethnic cleansing. 
4 0
3 years ago
In relation to the structure and size of the sun how are the following achieved absorption , reflection,transmission,scattering
Setler79 [48]

Answer:

Explanation:

Scattering of solar radiation within the atmosphere also accounts for a reduction of energy reaching Earth. Atmospheric gas molecules and aerosols deflect solar radiation from its original path, scattering (reflecting) some radiation back into deep space and some toward Earth's surface.

Once the sun's energy reaches earth, it is intercepted first by the atmosphere. A small part of the sun's energy is directly absorbed, particularly by certain gases such as ozone and water vapor. Some of the sun's energy is reflected back to space by clouds and the earth's surface.

A Quick Overview of Light Absorption

In absorption, the frequency of the incoming light wave is at or near the energy levels of the electrons in the matter. The electrons will absorb the energy of the light wave and change their energy state.

HOPE THAT HELP

5 0
3 years ago
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