What is the maximum angular diameter of Ceres in seconds of arc as seen from Earth?...
What is the maximum angular diameter of Ceres in seconds of arc as seen from Earth? (Hints: Use the small-angle formula; angular size in seconds of arc = 206,265 x physical size/distance; Ceres's orbital radius is 413.9 million km; and its diameter is 965 km. Note that the Earth is about 149.6 million km from the sun.) Can details be seen on the surface of Ceres with a 100 inch simple mirror reflecting telescope?
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What is the maximum angular diameter of Ceres in seconds of arc
as seen from Earth?...
From the surface of the Earth under very good conditions, we can resolve an angular size...
From the surface of the Earth under very good conditions, we can resolve an angular size of about 1.0 arc second. When Mars is 0.49 AU away, calculate the linear size (in kilometers) of a feature on the surface that would appear to be 2 arc seconds across. The Hubble Space Telescope can resolve about 0.04 arc-, what size on Mars does this correspond to? The linear size of the feature would bekm The linear size of an object that...
Constants Part A The resolution of a telescope is ultimately limited by the diameter of its...
Constants Part A The resolution of a telescope is ultimately limited by the diameter of its objective lens or mirror. A typical amateur astronomer's telescope may have a 7.0 in. -diameter mirror What is the minimum angular separation (in arc seconds) of two stars that can be resolved with a 7.0 in. scope? (Take ? to be at the center of the visible spectrum, about 550 nm, and note that 1 arc sec 1/3600 ) Express your answer using two...
Today, the Moon’s orbit around Earth has a semi-major axis of a=384,400 km and an orbital...
Today, the Moon’s orbit around
Earth has a semi-major axis of a=384,400 km and an orbital period
of 27.32166 days.
a. The Moon slowly moves outward due to tidal braking of the
Earth’s rotation, and at some future date the Moon will have an
orbital period of 47 days. Compute the semi-major axis of the
Moon’s orbit at this future date (express your answer in
kilometers).
semi-major axis = 5.5*10^5 km
b. Today, the Moon has an angular diameter of...
From the surface of the Earth under very good conditions, we can resolve an angular size of about 1.0 arc second. When Mars is 0.49 AU away, calculate the linear size (in kilometers) of a feature on the surface that would appear to be 2 arc seconds across. The Hubble Space Telescope can resolve about 0.04 arc-, what size on Mars does this correspond to? The linear size of the feature would bekm The linear size of an object that...
Constants Part A The resolution of a telescope is ultimately limited by the diameter of its objective lens or mirror. A typical amateur astronomer's telescope may have a 7.0 in. -diameter mirror What is the minimum angular separation (in arc seconds) of two stars that can be resolved with a 7.0 in. scope? (Take ? to be at the center of the visible spectrum, about 550 nm, and note that 1 arc sec 1/3600 ) Express your answer using two...
Today, the Moon’s orbit around
Earth has a semi-major axis of a=384,400 km and an orbital period
of 27.32166 days.
a. The Moon slowly moves outward due to tidal braking of the
Earth’s rotation, and at some future date the Moon will have an
orbital period of 47 days. Compute the semi-major axis of the
Moon’s orbit at this future date (express your answer in
kilometers).
semi-major axis = 5.5*10^5 km
b. Today, the Moon has an angular diameter of...
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