Magnitudes Study guides, Class notes & Summaries

astro 3 quizzes 7 & 8Most stars in our galaxy are like this one. Canopus Anilam Betelgeuse Sirius B Barnard's star - correct answer Barnard's star(red dwarfs and MS stars) On a dark night, we can see a range of about 5 magnitudes in brightness between the brightest and faintest stars in the sky. The brightest stars therefore appear about — times brighter than the faintest stars. 2.5 1000 5 100 10 - correct answer 100 Which star is a red giant? Anilam Sirius B Betelgeuse ...

The pilot of a spacecraft moving horizontally at 10 m / s notices that the hailstones going past the port window makes an angle of 45° with the downward vertical. What is the speed of the hailstones with respect to the ground, assuming that there is no wind? Select one: a. 10 m / s b. 14 m / s c. 20 m / s d. 21 m / s The correct answer is: 10 m / s Grade 0.00 out of 150.00 (0%) Feedback Unfortunately you didn’t get over a 70% on your first examination (70% is...

What is the definition of the Astronomical Unit? correct answer: The average distance between the Sun and the Earth Which sequence is correct when ordered by increasing size? correct answer: Earth Solar System Milky Way Galaxy Galaxy Clusters How many stars does a typical galaxy like the Milky Way Galaxy contain? correct answer: a few hundred billion How long does it take for light to cross the diameter of the Milky Way Galaxy? correct answer: about 100,000 years Which of the ...

Q32618 When a high voltage transmission line circuit breaker trips open as a result of a fault, a synchronous check relay will monitor certain values on both the line side and the bus side of the open circuit breaker. Before the synchronous check relay re-closes the open circuit breaker, which of the following values has to be within a certain limit before the circuit breaker will close automatically? CORRECT ANSWER •) Frequency •) Voltage Magnitudes •) Phase Angle between the voltages ...

astro 3 quizzes 7 & 8Most stars in our galaxy are like this one. Canopus Anilam Betelgeuse Sirius B Barnard's star - correct answer Barnard's star(red dwarfs and MS stars) On a dark night, we can see a range of about 5 magnitudes in brightness between the brightest and faintest stars in the sky. The brightest stars therefore appear about — times brighter than the faintest stars. 2.5 1000 5 100 10 - correct answer 100 Which star is a red giant? Anilam Sirius B Betelgeuse ...

To find the most accurate distance to a nearby star using parallax, astronomers could compare the view of the star against the background stars at what times of the year? - In January and July Which of the following correctly expresses the distance to a nearby star? - 1.3 parsecs Consider two stars (Y and Z) that both exhibit parallax. Star Z appears to move back and forth against the background stars by a greater amount than Y. Which star is farther away from Earth? - Star Y A star has a p...

astro 3 quizzes 7 & 8 Question and answers correctly solved 2024 astro 3 quizzes 7 & 8 Most stars in our galaxy are like this one. Canopus Anilam Betelgeuse Sirius B Barnard's star - correct answer Barnard's star(red dwarfs and MS stars) On a dark night, we can see a range of about 5 magnitudes in brightness between the brightest and faintest stars in the sky. The brightest stars therefore appear about — times brighter than the faintest stars. 2.5 1000 5 100 10 - correct a...

PHY 250 General Physics I All Graded Exams 2023/2024 100%Verified and Updated by Expert. Question 1 Correct 6.00 points out of 6.00 What is the acceleration of a skydiver at terminal velocity whose mass is 80 kg and cross-sectional area is 14 m2 . The density of the air he is falling through is 0.9984 g / m 3 . The drag coe_cient has a value of 0.485. Select one: a. 15.2 m / sec2 b. 56.4 m / sec2 c. 0 m / sec2 d. 481 m / sec2 e. None of the above Question 2 Incorrect 0.00 point...

physics - the study of forces, energy, motion Chemistry - study of atoms and molecules, their structures, and their interactions to form various substances. Earth Science - Earth's structure and composition, as well as the processes that change Earth, such as volcanic and seismic activity. astronomy - The study of the moon, stars, and other objects in space Science - An organized way of gathering and analyzing evidence about the natural world. Precision - a measure of how close a series ...

WGU - DATA STRUCTURES - C189 EXAM 2024 WITH 100% CORRECT ANSWERS In an ADT bag implemented using an array when is the addition of an element NOT fast? - correct answer When the array must be resized. What requires more memory, a linked list or array implementation of a bag? - correct answer A linked list. What is the problem size in algorithm analysis? - correct answer the number of elements, think of as n. What is the most significant contributor to the total time requirement of a...