Biology, 11.12.2020 01:00, alosnomolina1122
1. How far away is Betelgeuse from Earth with a parallax of 0.005 arcseconds? (givens, equation, solve with units)
6. How far away is Rigel from Earth with a parallax of 0.0038 arcseconds? (givens, equation, solve with units)
9. Proxima Centauri is 4 x 10^16 m from Earth and has an apparent brightness of 3.2 x 10^-11 W/m^2. What is its luminosity? (givens, equations, solve with units)
10. What is the luminosity of Spica that is 2.5 x 10^18 m from Earth and has an apparent brightness of 6 x 10^-8 W/m^2? (givens, equation, solve with units)
14. Regulus on average is 10,300 K with a luminosity of 1.1 x 10^29 W. What is its radius? (givens, equation, solve with units)
15. Castor has an average surface temperature of 3820 K and a luminosity of 2.8 x 10^25 W. What is its radius? (givens, equation, solve with units)
Answers: 2
Biology, 22.06.2019 13:00, dianelys3083p5spb5
Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?
Answers: 3
1. How far away is Betelgeuse from Earth with a parallax of 0.005 arcseconds? (givens, equation, sol...
Mathematics, 01.08.2019 10:30
Biology, 01.08.2019 10:30