Question

Transcribed Image Text:1.1 Natural units
(a) Use powers of G and c to convert 1 Mo to a unit of time and give its value in SI
units.
(b) Combine powers of G and c to form a constant with dimensions of luminosity and
give its value in SI units.
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution
Trending nowThis is a popular solution!
Step by stepSolved in 4 steps with 3 images

Knowledge Booster
Similar questions
- Calculate the number of miles in a light-year, using 1.86 105 mi/s as the speed of light. (Hint: The number of seconds in a year, 365 days, will be useful.) Answer in mi/yarrow_forwardCompute the distance to the following stars using the luminosity-distance relationship: m-M=5 log (d) - 5 Name: X Ari App. Mag. (m): 9.95 Abs. Mag. (M): 0.75 O 693.23 690.43 692.56 691.83arrow_forward(a) The figure shows the three stars and their velocities. Which star has the largest proper motion? Which star has the smallest proper motion? A B Eartharrow_forward
- answer for 3arrow_forward3- Consider a binary star system in which the two stars are seen to be 1.50" apart. Determine the actual physical separation of those stars (in AU) if this binary system is located 9.50 1.y. from us.arrow_forward31) Star Sirius has an apparent magnitude of -1.47 and an absolute magnitude of 1.41. Estimate the distance to Sirius.arrow_forward
- 33) A star is observed to be having an absolute magnitude of -5.6 and is located at a distance of 159.96 pc. Estimate the apparent magnitudearrow_forwardA star is observed to have a parallax 0.45". Show that it is a distance of 7.2 LY away.arrow_forwardIs wanting one answer which is to calculate the magnitude A-2Barrow_forward
- Calculate the number of miles in a light year using (see picture for the equation) mi/s as the speed. Hint: The number of seconds in a year,365days,will be useful.arrow_forward-According to appendix C: radius of the sun is 7 x 10^8 marrow_forwardWhat is the right ascension in hours, minutes, and seconds of a star at RA 239.768°?arrow_forward
arrow_back_ios
arrow_forward_ios