I believe it's going to be (2,3)
Scientists want to place a telescope on the moon to improve their view of distant planets. The telescope weighs 200 pounds on earth. The weight of the telescope when it reaches the moon as the weight of the telescope will be equal to its mass.
If you're trying to view faint deep-sky items like nebulas and galaxies then you'll need a reflector telescope while a refractor telescope is higher suited for perspectives inside our very own galaxy consisting of the moon and other planets.
A telescope is an optical tool using lenses, curved mirrors, or a mixture of each to look at remote objects, or diverse gadgets used to observe distant gadgets by means of their emission, absorption, or mirrored image of electromagnetic radiation.
The Celestron encourage 100AZ is a top, top choice of telescope for beginners. It gives remarkable ease of setup and use, and it comes with a much greater choice of add-ons than most other starter telescope bundles - it's the entire package for the ones trying their hand at astronomy.
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Answer: 
Explanation:
The Tropic of Cancer is one of the parallels (imaginary line around the Earth parallel to the equator) located in the northern hemisphere (currently its latitude is 
).
It is called "Cancer" because a long time ago, when the summer solstice occurred in the northern hemisphere (on June 20th or 21st), the Sun was in the constellation Cancer (the crab).
Now, if we were just in the North Pole, Polaris would by exactly over our heads (
over the horizon), but as we go south and find the Tropic of Cancer parallel, Polaris altitude will be approximately at an angle of over the horizon.
Hence, the altitude of Polaris measured by an observer at the Tropic of Cancer is .
Answer:
A. Saudi Arabia
Explanation:
a country located in the Middle East.
They can present coherent and consistent messages to their publics with little fear of contradictiontotalitarianism is a political system in which the state recognizes no limits its authority strives regulate every aspect public private life wherever feasible propaganda totalitarian regimes. Through threats and violence, even enlightened people will compromise their values.
