Biology

Biology, 07.07.2019 08:00, regalc731ost238

Stars are very hot but not very bright are called

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Physics, 23.07.2019 08:50, hernandezramirp2pjmh

1. astronomers measure the angle that the star appears to jump when viewing it from two different points in earth's orbit. what is this technique called? a) parsecs b) parallax c) luminosity d) mass transfer 3. what properties of a star are needed to calculate the stars's luminosity? a) size and apparent brightness b) mass and distance to the star c) temperature and diameter of the star d) apparent brightness and distance to the star 4. which cool and bright stars are located in the upper right of the h-r diagram? a) red giant b) neutron stars c) white dwarfs d) main sequence 5. what color are stars that are very hot and very bright? a) red b) blue c) white d) yellow

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Biology, 31.07.2019 06:00, aaminohasan142

The sun is an average sized star. most of the other stars in the galaxy are approximately the same size as the sun. why do the other stars in the galaxy appear so small in the night sky? a. the other stars in the galaxy do not have planets orbiting them. b. the other stars in the galaxy contain different gases. c. the other stars in the galaxy are not as bright as the sun. d. the other stars in the galaxy are trillions of kilometers away.

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Biology, 01.08.2019 04:30, holman9308

Match the term to its description. match term definition dwarfs a) very bright, extremely massive stars with varying temperatures giants b) dead stars that shine with the last of their thermal energy main sequence stars c) stars in the main part of their life cycle supergiants d) very bright, massive stars with relatively low temperatures

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Physics, 02.08.2019 02:00, h0ttmomma92002

Match the term to its description. match term definition dwarfs a) very bright, massive stars with relatively low temperatures giants b) very bright, extremely massive stars with varying temperatures main sequence stars c) stars in the main part of their life cycle supergiants d) dead stars that shine with the last of their thermal energy

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