For an observer found at a latitude of 35 degrees North, what is the minimum declination for a star to be considered circumpolar?

Q: If the celestial sphere were to be considered a hypothesis, would it be correct?

A: Celestial sphere is a sphere of extremely large radius concentric with earth. It gives the…

Q: At what distance is an object if its parallax, as measured from either end of a 1000-km baseline, is…

A: The given data we have: Baseline: 1000km The parallax is to be measured at angles θ=1o,1',1''

Q: How does the diameter of the Sun compare with the diameter of the Moon’s orbit around the Earth?

A: The diameter of the Moon’s orbit around the Earth is, 769000km.The diameter of the sun’s orbit is…

Q: For an observer located at 25 degrees North latitude, what is the altitude of the Celestial Equator…

A: The altitude of the celestial equator is related to the latitude of the observer's location but it…

Q: An arcminute is what fraction of a degree?

A: we know 1 degree =60 arcminutes=60x60 arc seconds

Q: Select all of the following that describe an AU. OThe average distance between Earth and our Sun…

A: Astronomical unit is a unit of distance commonly known as AU.

Q: due southeast, what is the azimuth of that planet in degrees at that instant from their location?

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Q: Ranking # 2: List the stars (A-D) in the order of the number of hours (from greatest to least) that…

A: Required : To find the correct order of stars.

Q: If you are at latitude 25 degrees north of Earth's equator, what is the angular distance (in…

A:

Q: The sidereal day is one rotation of the Earth relative to the The day is longer by 4 minutes. O Sun;…

A: Solar day is the time taken by earth to complete one rotation about its axis with respect to sun.…

Q: Due to ______________, ancient astronomers like the Greeks and Egyptians had a different set of…

A: In astronomy, the mapping of stars is changed due to a peculiar phenomenon.

Q: Based on what you've learn on the impact of the Earth-Sun distance on the seasons, what can you say…

A:

Q: Say you take a photograph of night sky on October 1, 2018 at 11:00:00 pm. At what time you'd take…

A: In class we learned a difference between solar and sidereal day - for each orbit around the Sun, a…

Q: If your plane has landed at some unfamiliar place on Earth at noon on March 21st, and you realize…

A:

Q: Suppose you discovered a new celestial body going around the sun. If it requires 512 years to…

A: Given, Time period of celestial body (T)= 512 year

Q: How does sun's diameter compare with the distance between earth and the sun?

A: Distance between Sun and Earth is 149.6 million km and diameter of Sun is 1.392 million km.

Q: Imagine that you see a waning crescent on the eastern horizon. What time of day would it be…

A: The waning moon will be directly overhead when, after midnight the Earth has completed 1/8 th of its…

Q: Will the next full Moon be a lunar eclipse? Why isn't every full Moon a lunar eclipse?

A: No, next full moon will not be a lunar eclipse as the as this has two lunar moons one full on 26-…

Q: In astronomy, what is meant by "local noon"? in other words, where is the sun at "local noon"?

A: Local noon occurs when the Sun is seen exactly in the south direction.

Q: If you are at latitude of 40 degrees north of Earth's equator, what is the angular distance from the…

A: The angular distance from the northern horizon up to the north celestial pole is given by the…

Q: Tonight you see a waning crescent in the night sky. A few (n) days later, the night is once again…

A:

Q: If you are at latitude 30 degrees north of Earth’s equator, what is the angular distance from your…

A: Celestial poles are the sites where the Earth's rotational axis touches the celestial sphere. Zenith…

Q: Indicate the latitude of the tangent rays for the following declinations (zeniths): 10° South…

A: Given : To indicate the latitude of the tangent rays for the given declinations

Q: How many kilometers are there in 5 parsecs?

A:

Q: What is retrogade precession?

A: There are two words here that is important to understand separately, one being the retrograde and…

Q: Given exactly 360° in a circle and 365.24 days in a year, how many degrees per day does one's view…

A: degrees in one complete circle = 360 degrees number of days in a year = 365.24 days

Q: What can you learn from determining the maximum elevation of the Sun or a star above the horizon…

A: A sextant is an optical instrument which is used to measure the  angular distance between any two…

Q: ............ describes the wobbling of Earth's axis of rotation over long periods of time. It takes…

A: The earths axis of rotation passes through the poles of the earth, and is inclined at some angle…