Tubas, trombones, and trumpets are not astronomical instruments. A Clarinet could be if you put some lenses in it. ProTip: include the multiple choice answers along with the multiple choice question.
It is an astronomical instrument for taking the altitude of the sun or stars
It's called an "heliostat".
astronomical telescope..
Yes.A quadrant is an instrument that is used to measure angles up to 90°. They can be used for a number of purposes but one design, the Davis quadrant is a compact, framed instrument used by navigators for measuring the altitude of an astronomical object.
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An armill is a bracelet, one of the items included in regalia, also known as a "bracelet of wisdom and sincerity".
Astronomical is an adjective.
Astronomical: He wants to be an astronomical astronaut when he grows up.
Astronomical is an adjective that has a couple meanings. The first meaning of astronomical is relating to astronomy, and the second meaning of astronomical is extremely large.
Richard L. White has written: 'High speed photometer instrument handbook' -- subject(s): Astronomical photometry, Hubble Space Telescope (Spacecraft)
Mercury--0.387 astronomical units Venus--0.723 astronomical units Earth--1.0 astronomical units Mars--1.524 astronomical units Jupiter--5.203 astronomical units Saturn--9.529 astronomical units Uranus--19.19 astronomical units Neptune--30.06 astronomical units Pluto--39.53 astronomical units Please note that these are all mean distances, and the actual distance will vary as to the location of the specific planet in its specific orbit.
The cost of space travel is still astronomical. A telescope is used for astronomical sightings.