subject
Mathematics, 09.04.2021 03:00 spookymod4845

The distance of the red supergiant Betelgeuse is approximately 643 light-years. If it were to explode as a supernova, it would be one of the brightest stars in the sky. Right now, the brightest star other than the Sun is Sirius, with a luminosity of 26LSun and a distance of 8.6 light-years. How much brighter than Sirius would the Betelgeuse supernova be in our sky if it reached a maximum luminosity of 1x 10^10 LSun?
Express your answer using three significant figures. Apparent brightness of Betelgeuse Apparent brightness of Sirius

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?
Answers: 1
question
Mathematics, 21.06.2019 18:00
Don't know how to find x given these segment lengths
Answers: 1
question
Mathematics, 21.06.2019 21:00
Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school
Answers: 1
question
Mathematics, 21.06.2019 23:30
Which statements are true about box plots? check all that apply. they describe sets of data. they include the mean. they show the data split into four parts. they show outliers through really short β€œwhiskers.” each section of a box plot represents 25% of the data.
Answers: 3
You know the right answer?
The distance of the red supergiant Betelgeuse is approximately 643 light-years. If it were to explod...
Questions
question
Mathematics, 15.06.2020 19:57
question
Mathematics, 15.06.2020 19:57
question
Mathematics, 15.06.2020 19:57
question
Health, 15.06.2020 19:57
question
Mathematics, 15.06.2020 19:57
Questions on the website: 13722363