Increasing wavelength
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- The first picture is some background information need help answering the first question about the escape velocity from the andromeda GalaxyAstronomy help What does each number (6-10) represent?Use the letter associated with each of the following FBD's to answer the quiz questions #1 through #12: Fnorm Ffrict A. Fgrav Fnorm B. Ffrict Fapp → Farav C. Ffrict D. E. F. G. Fnorm Fgrav Ftens Fair grav Fnorm grav Fapp Ftens Fgrav Fgrav
- It is year 2120 and we have figure out a propulsion system that allows 0.87c. A first expedition to spaceships travel at velocities as high as v %3D Alpha Centauri (the nearest planetary system) is being planned. Alpha Centauri is 4.3 ly away. Answer the following 5 questions below asking you about the details of this expedition.1-2Number 7 and 8. Thanks.
- (Astronomy) Planetary Nebula Age. Suppose a planetary nebula is 1 pc in radius. If the Doppler shifts in its spectrum show it is expanding at 22 km/s, how old is it? (Note that 1 pc equals 3.1×1013 km, and 1 year equals 3.2×107 seconds, to two significant figures.) Please round your answer to two significant digits.Need help, need to know if I'm doing this rightDO NOT COPY FROM OTHER WEBSITES Correct and detailed answer will be Upvoted else downvoted. Thank you!