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Top Astronomy Interview Questions & Answers:

1. These doughnut shaped zones of atomic particles consists of electrons and protons captured by the Earths magnetic field from the solar winds and are called:

VAN ALLEN BELTS

2. Most astronomers believe that these celestial bodies are at the center of quasars and are the main reason for their large energy emissions:

Black Holes

3. If the temperature of a star increases from 10,000K to 30,000K, by what factor will the rate of energy radiated per second increase?

81

4. The Magellan clouds are actually what type of celestial body?

Galaxies

5. What are the only two planets to rotate from East to West?

Venus And Uranus

6. What is the thinnest layer of the Suns atmosphere?

The Corona

7. In the Doppler effect, what is the correct term for the change in the color of light when an object that is emitting light is moving toward the observer?

Blue-Shift

8. This powerful telescope weighs about 11 tons, has a primary mirror 7.9 feet in diameter, and orbits about 380 miles above the earth:

The Hubble Telescope

9. The Persieds Meteor Showers are viewed in the State of Maine during what month?

August

10. How many half- moons are there in a lunar cycle?

2

11. Sam Langley invented what instrument, which allows astronomers to measure the energy output of the Sun and other stars:

Bolometer

12. In a search for Planet X, this celestial body was found after astronomers had searched for an orbital disturbance of the planet Uranus:

Pluto

13. What is the constant called that is the average flux of the Suns energy arriving at the Earth:

Solar Constant

14. What term is most commonly used to refer to the actual motion that stars have in relation to each other, and over many years will lead to changes in the shapes of constellations?

Proper Motion

15. The work of this Harvard College Observatory scientist made possible the first accurate determination of extragalactic distances by what is often called Henriettas Law:

Henrietta Leavitt

16. Based on best altitude conditions, during what month in the northern hemisphere is it the best time to observe the full moon?

December

17. What is the name for the celestial body of interstellar gas and dust where stars are sometimes born?

Nebula

18. What moon of Neptune orbits in a retrograde direction?

Triton

19. When a superior planet is at quadrature in reference to the Earth, what is its elongation in degrees?

90o

20. Which moon is the only other body in our solar system, besides the Earth, that has an atmosphere of mostly nitrogen?

titan

21. Mars has a thin atmosphere composed mainly of what gas?

carbon dioxide

22. Which planet in our solar system has the most circular orbit?

venus

23. A meteor that reaches the surface of the Earth is more accurately called a:

meteorite

24. What do Astronomers call the point in the sky that is directly overhead?

Zenith

25. The celestial coordinate analogous to latitude is called:

Declination

26. Whos book, titled Concerning the Revolutions of Celestial Spheres, is considered to mark the birth of modern astronomy?

Copernicus

27. Give the common name for the phenomenon which is the result of sunlight reflecting off the Earth and faintly illuminating the darkened portion of the moon:

Earthshine

28. What substance is responsible for Neptunes blue-green color?

Methane Gas

29. The Kappa Cygnids and the Northern Delta Aquarids are names for what phenomena?

Meteor Showers

30. What are the scientific names for the two regions of a sunspot?

Umbra And Penumbra

31. Of the three types of meteorites, which is the most common, in terms of the number of samples, to fall to Earth in recorded history:

Stony Meteorites

32. Rounded off to the nearest trillion, how many miles is in a light year?

6

33. All of Saturns moons are composed predominantly of what substance?

Ice

34. Name the part of the Sun that we can see without any instruments:

The Photosphere

35. Which of the following is a pulsating variable star whose brightness varies in a very regular time period of about 1-50 days:

1. Lyrae star
2. Cepheid
3. Mira star
4. Cannon Star

Answer: B

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