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Tsambikos
Questions (7)
The luminosity of the Sun is 4*10^33 erg/s, and its radius is 7*10^10 cm.
What is the flux of sunlight on the Earth? i answer
1 answer
792 views
The red supergiant Betelgeuse has a surface temperature of 3600 K.
a) Using the fact that the Sun's surface temperature is about
2 answers
3,901 views
Which of the following two telescopes has a better angular resolution? 1) the Hubble Space Telescope (2.4 meter aperture) at
3 answers
1,886 views
A geosynchronous satellite is a satellite whose orbital period matches the rotation of the Earth. Calculate the height above the
3 answers
1,458 views
Which of the following two telescopes has a better angular resolution? 1) the Hubble Space Telescope (2.4 meter aperture) at
2 answers
720 views
The luminosity of the Sun is 4*10^33 erg/s, and its radius is 7*10^10 cm.
You are tasked with building a solar power plant in the
1 answer
3,220 views
The Keck telescope on Mauna Kea has an angular resolution on Earth of half an arcsecond.
How far away (in meters) could you read
2 answers
3,616 views
Answers (5)
Thank you
Thank you!
Thank you!
Thank you very much!! And what is the answer to this question?
Thanks a lot for your Help Steve
