ast ch 1,2, and 6

A solar ecplise that occurs when the new moon is too far from Earth to completely cover the Sun can be either a partial solar eclipse or an ____________. Annular eclipse Anyone looking from the night side of Earth can, in principle, see a Total lunar eclipse During some lunar eclipses, the Moon’s appearance changes … Continue reading "ast ch 1,2, and 6"

Astronomy Mid Term

The number of degrees in a full circle is 360 How many arcseconds are there in a full circle? 360 x 3600 In angular measurements used in astronomy, how many right angles are there in a full circle? four One arcsecond is equal to 1/3600 degree One arcminute is equal to 1/60 degree. On a … Continue reading "Astronomy Mid Term"

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224

Quiz: How Did Planets Form? Question 1a of 10 ( 2 Comets and Asteroids 147012 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which of these is mostly made up of ice? Choice Feedback A. Meteors That’s not correct. They are not mostly made up of ice, but rock. B. Asteroids … Continue reading "224"

Planets of the solar system pt1

The hottest planet in the solar system is_________ and the coldest is ____________ Venus and Neptune The gas giant are ______ dense and have ________ moons than the terrestrial planets Less….more Planets are kept in their orbits by the gravitational attraction of the ____ Sun The planets with the strongest winds is ______________ Neptune The … Continue reading "Planets of the solar system pt1"

Chapter 13 – Quiz 13

Based on everything you have learned about the formation of our solar system, which of the following statements is probably not true? Other solar systems will also have planets in the two basic categories of terrestrial and jovian. Only a tiny percentage of stars are surrounded by spinning disks of gas during their formation. Other … Continue reading "Chapter 13 – Quiz 13"

Astronomy Homework for Exam 2

the 8000 K star would emits more light at every wavelength and would emit photons with a higher energy describe 2 ways in which the thermal radiation spectrum of an 8000 K star would differ from a 4000 K star ??? Doppler Effect the effect that shifts the wavelengths of spectral features in objects that … Continue reading "Astronomy Homework for Exam 2"

Science Chapter 23

According to a relatively recent discovery, which planet has one satellite? Pluto Most meteor showers are associated with the orbits of Comets A comet’s tail always points Away from the sun Which of the following is NOT a terrestrial planet? Jupiter How many known satellites does Mars have? 2 Which of the following is NOT … Continue reading "Science Chapter 23"

Earth Studies HW 2

Which group of planets in our solar system is known as the terrestrial planets? Mercury, Venus, Earth, Mars Which group of planets within the solar system is known as the Jovian, or giant, planets? Jupiter, Saturn, Uranus, Neptune Which three groups of substances compose both the inner and outer planets of the solar system? gases, … Continue reading "Earth Studies HW 2"

Astronomy 1,2

Why did early civilizations observe constellations? for practical reasons, such as navigation and helping to determine seasons What conditions are necessary for a total solar eclipse? new moon on ecliptic near perigee The parallax shift of a star would be greater if viewed from Mars than from Earth. true The orbits of most of the … Continue reading "Astronomy 1,2"

Astronomy Chapter 1

What is the meaning of the word cosmos? the sum total of all matter and energy, that is, everything within and between all galaxies Which of the following has your “address” in the correct order? you, Earth, solar system, Milky Way, Local Group, Local Supercluster About where is our solar system located within the Milky … Continue reading "Astronomy Chapter 1"

Astronomy Final M/C and Vocab

The universe is said to be closed if gravity is strong enough to stop the expansion in a finite time The cosmological principle states that the universe is homogeneous isotropic The resolution of Olber’s paradox suggests that it gets dark at night because the universe is not infinite in age The average star spends ___ … Continue reading "Astronomy Final M/C and Vocab"

Astro Review

Which of the following sentences is NOT true about science? . Science only progresses by following the scientific method. About how old is the earth? 4.8 billion years old Which of the following is one of Kepler’s laws? . All of these are Kepler’s laws. Order the following parts of our cosmic address from the … Continue reading "Astro Review"

ASTR 103 Ch 3 Quizes

The names of the seven days of the week are based on the Seven naked-eye objects that appear to move among the constellations By the late 1600s, science and technology in China fell behind that of Europe. Many historians believe that this happened because A culture of secrecy discouraged broad collaborative efforts The path that … Continue reading "ASTR 103 Ch 3 Quizes"

Solar System Cards

Asteroid a small, solid object that orbits the sun Asteroid Belt a band of orbiting rubble that separates the gas giant planets from the terrestrial planets Comet a mass of ice, rock, and gas orbiting the sun Dwarf Planet a round object that orbits the sun but doesn’t orbit a planet Gas Giant Planet one … Continue reading "Solar System Cards"

Chapter 6

Which of the following lists the planets of our solar system in the correct order from closest to farthest from the Sun? Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune How does the Sun’s mass compare with that of the planets? It is a thousand times more massive than all the planets combined. What’s unusual … Continue reading "Chapter 6"

Astronomy Chapters 2-3

Suppose we look at a photograph of many galaxies. Assuming that all the galaxies formed at about the same time, which galaxy in the picture is the youngest? The one that is farthest away How long did it take for the moon to go through a complete cycle of phases? 1 month Synchronous rotation: the … Continue reading "Astronomy Chapters 2-3"

Astronomy 121 (3)

In what sense are there only two important objects in our solar system? Because Jupiter is so massive our solar system is a two object system in the broadest sense (with the Sun) What is differential rotation, and how is it observed on Jupiter? Differential rotation: rotation of a planet is not constant from one … Continue reading "Astronomy 121 (3)"

NWs1 Atomic Theory quiz

What is the order of scientists? Democritus Dalton JJ Thompson William Thompson Rutherford Chadwick Bohr What were Dalton’s theories? – Elements are made of atoms. – All atoms of a given element are identical. – Atoms of a given element aren’t the same as atoms of a another element. atoms A ≠ atoms B – … Continue reading "NWs1 Atomic Theory quiz"

Chapter 3 Volcanoes

Where do most volcanoes occur on Earth’s surface? Most volcanoes occur along diverging plate boundaries, such as the mid-ocean ridge, or in subduction zones around the edges of oceans. What process forms island arcs? Island arcs are formed from subduction. Magma forming from the subducting plate seeps upward through cracks in the crust and breaks … Continue reading "Chapter 3 Volcanoes"

Unit 10 Our Solar System- Sun-Earth-Moon Interactions

Two Solar System Models -1. Geocentric -“Earth-centered” -planets orbit around Earth -partially explains the motions of the planets -rejected model -2. Heliocentric -“sun-centered” -planets orbit sun -explains most motions of the planets -accepted model- better explanation of planetary motions Earth- Sun System -the Earth’s revolution (path/orbit around) around our sun is… -counterclockwise -at perihelion closet … Continue reading "Unit 10 Our Solar System- Sun-Earth-Moon Interactions"

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