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You are observing a star about 100 light years away how old is the most recent information you can get aboutthis star?
if you are observing a star 100 light years away, you are looking at it as it was 100 years ago.
How does an astronomer estimate the temperature of a star by observing it?
By the color.
Can the mass of a planet be determined by observing it transit a star?
True.
What instrument is used for observing stars?
You use a telescope to observe stars, and sometimes also use a star map.
How can stellar masses be determined by observing binary star systems?
Stellar masses can be determined by observing binary star-systems. The calculations of the orbits of the binary stars allow the masses of their component stars to be directly determined, which in turn allows other stellar parameters, such as radius and density, to be indirectly estimated.
You are observing a star about 100 light years away how old is the most recent information you can get aboutthis star?
if you are observing a star 100 light years away, you are looking at it as it was 100 years ago.
How does an astronomer estimate the temperature of a star by observing it?
By the color.
Can the mass of a planet be determined by observing it transit a star?
True.
Can A planet's mass can be determined by observing it transit a star?
Yes.
Describe four methods for discovering extrasolar planets?
Discovering the essential Universe by Neil F. Comins fourth edition Extrasolar planets can be discovered by observing them indirectly by using microlensing, by observing the Doppler shift of the star due to the pull of the orbiting planet, by observing the periodic variation of the proper motion of a star, and by observing the periodic variation of the starlight due to the planet passing between that star and Earth, an event called a transit.
What information does a star's spectrum offer about the star?
Spectroscopy shows what elements are present in the star, it's chemical composition. The different elements give off different energy signatures through radiation, which relate to the wavelength and therefore colour.
What is using one or more of your sense to gather information?
observing
What is called using one or more of your senses to gather information?
observing
Information that scientists collect while observing matter directly is called?
research or background information
What is the different between observing and inferring?
Observing is seeing for yourself what actually happened. Inferring is taking other information and trying to guess what actually happened.
What is the location of a star when it twinkles a lot?
Outerspace ... the twinkling effect happens when observing the star(s) through earth's atmosphere. If you were in space, they would not twinkle.
What is the difference between observing and inferring?
Observing involves using your senses to gather information directly from the environment, while inferring involves drawing conclusions or making interpretations based on your observations. Observing is typically concrete and factual, while inferring involves making educated guesses or connecting pieces of information to come to a deeper understanding.
