Fill in the blanks in the following statements: 1. A parsec is defined as the distance from the Sun which would result in a parallax

Question

Fill in the blanks in the following statements:
1. A parsec is defined as the distance from the Sun which would result in a parallax of_____ arcsecond as seen from Earth when observed 6 months apart.
2. One parsecs is about_____light years.
3. The more distant a star, the_____its parallax.
4. The statement “we can measure stellar parallax for most stars in our galaxy” is_____.
5. The closest stars have parallaxes smaller than______arcsecond.
6. The first successful measurements of stellar parallax were made by______in year______for the star named.
7. Star Fred has parallax four times greater than star Bob. Star Fred is______times______then star Bob.

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Thái Dương 1 month 2021-08-12T13:07:52+00:00 1 Answers 0 views 0

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    2021-08-12T13:09:48+00:00

    Answer:

    Explanation:

    1. A parsec is defined as the distance from the Sun which would result in a parallax of_TWO____ arcsecond as seen from Earth when observed 6 months apart.

    2. One parsecs is about_3.3____light years

    3. The more distant a star, the_LESS ____its parallax.

    4. The statement “we can measure stellar parallax for most stars in our galaxy” is__TRUE .___.

    5. The closest stars have parallaxes smaller than_.002 _____arcsecond.

    6. The first successful measurements of stellar parallax were made by_Friedrich Bessel_____in year_1838_____for the star named.

    7. Star Fred has parallax four times greater than star Bob. Star Fred is__4____times_nearer_____than star Bob.

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