Science Questions
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How many light years are there in a Parsec?a. 2.76b. 5c. 3.26d. 1.51e. 10
According to Ptolemy, stars can be classified in ____ classes according to their brightness.a. Tenb. Fourc. Twelved. Eighte. Six
A "larger" Moon on the horizon is an optical illusion.a. Trueb. False
Newton's law of gravitational force states that ____.a. the force between two objects is directly proportional to the product of their masses and inverselyproportional to the distance between them squaredb. an object with no force on acting on it continues at rest or moves in uniform motion in a straight line withconstant velocityc. an object with no force on it moves in a straight line with constant accelerationd. an object with a force on it is accelerated in the direction of the force an amount inversely proportional toits mass and directly proportional to the size of the forcee. for every action, there is an equal and opposite reaction
The Hertzsprung-Russell Diagram is a plot for stars using absolute magnitude versus temperature.a. Trueb. False
Of the following parts of the Sun, which is the hottest?a. supergranulesb. sunspotsc. chromosphered. photospheree. corona
Kepler's laws are empirical, which means that they were obtained based on observations.a. Trueb. False
Betelgeuse is the alpha star in the Orion constellation and is located at 200 Pc from the Earth. If the apparentmagnitude of Betelgeuse is 0.58, what is its absolute magnitude? Hint: Mv = mv + 5 - 5Log(d)a. -5.9b. -5c. 3.01d. 3.11e. -1.97
The Sun is what spectral type?a. ST2 (Spectral Type 2)b. G2c. S2d. F2e. K2
Calculate the linear diameter of Saturn if its distance from the Earth is 8.58 AU and its angular diameter is 19.4arc sec. Hint:a. 1.21 x 105kmb. 9.47 x 104kmc. 6.10 x 105kmd. 2.01 x 105kme. 1.52 x 105km
The neap tides occur at the new moon and full moon.a. Trueb. False
What was the most important consequence of Galileo's discovery of the Jupiter's moons?a. The naming of some of Jupiter's moons.b. The proper use of a telescope.c. Proved that the Heliocentric model was correct.d. Led to the discovery of more moons.e. Proved the that he was a very skilled astronomer.
Newton's laws gave mathematical explanation and foundation to Kepler's laws?a. Trueb. False
What characteristic of Uranus makes it stand out from all the other Jovian planets?a. has the longest orbital periodb. the farthest planet from the Sunc. Its moon is the same size as the planetd. rotates on its sidee. atmosphere contains methane
Which power of a telescope reveals fine details within an image?a. Resolving powerb. Defining powerc. Light-gathering powerd. Focusing powere. Magnifying power
Knowing the Uranus takes 84 years to orbit the Sun, how far away is from it? Hint:a. 19.2 AUb. 30.3 AUc. 15.0 AUd. 10.1 AUe. 13.3 AU
The region between Mars and Jupiter is known asa. The Meteoroid Beltb. The frost linec. The Jovian Beltd. The Asteroid Belte. The Kuiper Belt
What is the resolving power, α, of a 10-cm diameter telescope observing at visual wavelength. Hint:(arc seconds).a. 1.25 arc secondsb. 1.31 arc secondsc. 1.13 arc secondsd. 3.31 arc secondse. 3.13 arc seconds
How did Mars get its two moons?a. Mars had planetary bodies near it when the solar wind blew out the nebula.b. Mars collided and fused with another planet leaving two remnants behind.c. Mars suffered a catastrophic meteor impact, breaking a piece off the planet.d. Mars captured comets from the Kuiper belt.e. Mars captured asteroids from the asteroid belt.
____________ death will result in a supernova leaving either a black hole or a neutron star.a. Main sequence starsb. White dwarfsc. Shooting starsd. Brown dwarfse. Massive stars