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"
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"
Solar nebula a huge spinning cloud of dust and gas Axis an imaginary line running through the center of an object Revolve to turn on an axis Astronomer one who studies planets and stars in space Planet a large object in space that orbits around a star Moon a celestial object that orbits about a … Continue reading "Solar System Vocabulary Worksheet"
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"
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"
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"
What is the solar system? It is the sun and all of the planets and other bodies that orbit the sun. Who purposed the early models of the solar system? Aristotle, Aristarchus, Ptolemy, Copernicus, Kepler, and Galileo. What is the heliocentric model? The earth and other planets that orbit the sun. What is geocentric model? … Continue reading "Science Unit 3 Test- Units 1 and 2"
solar system the sun and all of the planets and other bodies that travel around it planet any of the primary bodies that orbit the sun; a similar body that orbits another star solar nebula a large cloud of gas and dust such as the one that formed our solar system planetesimal a small body … Continue reading "Chapter 27: Planets of the Solar System"
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"
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"
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"
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"
What does the solar system look like? Planets are very tiny compared to distances between them Sun -Over 99.8% of solar system’s mass -Made mostly of H/He gas (plasma) -Converts 4 million tons of mass into energy each second Mercury -Made of metal and rock; large iron core -Desolate, cratered; long, tall, steep cliffs -Very … Continue reading "Astronomy Chapter 6: Formation of the Solar System"
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"
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"
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"
I believe that our solar system formed by the same process as star formation. A huge cloud of dust and gas collapsed and condensed. Gravity pulled matter into the center core, nuclear fusion began, and our Sun was created. Remaining matter and gas clumped together to form the planets. I believe in the _____. A: … Continue reading "Earth Science – Unit 1: Origin Of The Earth QUIZ 2"
Sun Center of the solar system, made of hot plasma, star. Moon The Earths only natural satellite. Earth 3rd planet from the sun, only known planet in the universe to harbor life. Mars 4th planet from the sun, 2nd planet in the solar system. 1 day 40 minute days. Moons are Phobos and Deimos. Phobos … Continue reading "Planets and Solar System (SCIENCE)"
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"
Which planet has the lowest density and hundreds of thin rings? Saturn Johannes Kepler discovered that the orbits of plants are in what shape? elliptical A planet that is very hot and has sulfuric acid in its clouds is … Venus What is the name of the moon closest to Jupiter? It has active volcanoes. … Continue reading "6th GRADE – THE SOLAR SYSTEM"
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"
1) What percentage of the mass of the solar nebula consisted of elements other than hydrogen and helium? A) 0 percent B) 0.1 percent C) 2 percent D) 20 percent E) 80 percent C 2) Where did the elements heavier than hydrogen and helium come from? A) They were produced in the Big Bang. B) … Continue reading "Cosmic Perspective Chapter 8 & 9"
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"
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"
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)"
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"
How many days does it take for the moon to go through all of its phases? Lunar cycle Month What does the Moon not have that is a requirment for life? liquid water What causes the moon’s surface to change if it does not have wind or weathering? Meteors and astroids How does the size … Continue reading "Unit 5-Space, Earth, Moon and Solar System"
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"
Red Dwarf Star that burn very slowly and can last for trillions of years. They are not visible from Earth. Blue Giant Stars that we can see from Earth because they are very bright but they only live 10,000-100,000 years. Yellow Star These stars burn their fuel at a moderate temperature, but still not bright … Continue reading "Star Information – Solar System"
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"