Science Questions

The geocentric model was supported by Aristotle because?- (stars didn't seem to show any parallax, we don't feel that the Earth moves, objects fall towards the center of the Earth, and not to the center of the Sun, we don't see an enormous win, all choices given)

According to Kepler's Third Law, if the semi-major axis of an orbit increases by a factor of 4 (in other words, became 4 times larger), what would that indicate about the period of the orbit?

mars, jupiter, and saturn show retrograde motion because? -(planets move on epicycles, planets orbit the sun in the same direction, they are closer than uranus, they rotate quickly on their axes, none of the choices given)

Herzsprung-Russel is used to identify which of the following:a. Planetsb. Galaxiesc. Star clustersd. Starse. Visual magnitudes

Meteoroid, meteor, and meteorite are names for the different stages of the same rocky object.a. Trueb. False

For a star that will be visible to an observer, its_________ coordinate tells the observer where to look for it.a. Declinationb. Longitudec. Zenithd. Latitudee. Right Ascension

The most widely accepted system of measurement is the metric system.a. Trueb. False

Which statement is true about asteroids?a. All asteroids have bright, reflective surfaces.b. Asteroids have an irregular shape and are battered by impact cratering.c. Asteroids are also called dwarf planets.d. Asteroids originated from older moons.e. All asteroids are found in the asteroid belt between Mars and Jupiter.

What feature makes most people think of Saturn as a wonder of the Solar System?a. Its liquid interior.b. Its rings system.c. Its particular density.d. Its planet-wide auroras.e. Its hot interior.

Which of the following planets does not have seasons:a. Marsb. Earthc. Mercuryd. Neptunee. Jupiter

Betelgeuse is the brightest star of which constellation?a. Ursa Majorb. Cassiopeiac. Southern Crossd. Orione. Ursa Minor

If planet A has a escape velocity V/A = 11.2 km/s and the one of planet B is V/B= 13 km/s, which of thefollowing affirmations is true?a. Planet A orbits closer to the Sun.b. Planet B has more mass than planet A.c. Planet A has more mass than planet Bd. Planet B orbits closer to the Sun.e. The escape velocity of planet B is times that of A.

The Perseverance rover landed on _________ to look for more evidence of the past presence of water.a. Neptuneb. The Moonc. Venusd. Saturne. Mars

As the illuminated part of the Moon grows larger from new to full, it is said to "wane".a. Trueb. False

The star Aldebaran from the Taurus constellation is located at a distance of 20 Pc from the Earth. How much isthat distance in Light years?a. 20b. 80.3c. 58.1d. 65.2e. 70.5

All rock samples brought from the Moon by the Apollo astronauts are _________ rocks.a. igneousb. gneissc. limestoned. sedimentarye. metamorphic

How many laws of motion did Isaac Newton postulated?a. 0b. 4c. 2d. 1e. 3

​Sunspots are parts of active solar regions dominated by magnetic fields that encompass all layers of the Sun'satmosphere.a. Trueb. False

Plant life brought oxygen to the Earth atmosphere.a. Trueb. False

During an Annular Solar eclipse, the Moon must be in the New Moon phase and it must be _________ Earth.a. the farthest fromb. orbiting faster with respect toc. leaving its orbit fromd. the closest toe. with its orbit parallel to