Chapter 10 SCIENCE TEST!!😱😱😱🤓
The observed brightness that a Star would have to an observer located 10 pc. away is what magnitude
Absolute magnitude
What is the largest galaxy in the local group
Andromeda galaxy
The brightness of a star as it appears to an observer on earth
Apparent magnitude
A small group of stars that is used to form a picture or represent an object is
Asterism
The group of astroids located between the orbits of Mars and Jupiter is called
Astroid belt
What unit of measurement is approximately equal to the distance between the sun and the earth
Astronomical unit
The study of God's creation beyond the atmosphere is
Astronomy
What galaxy shape is the Milky Way
Barred spiral
What is an object so massive and dense not even light can escape it's gravity
Black hole
Arcturus
Boötes
Sirius
Canis major
Imaginary sphere with earth at the center in the heavenly bodies on it's inner surface
Celestial sphere
Describes a star that is always above the horizon to an observer at a particular location
Circumpolar
Dust and gas that form a cloud around the center of a comet
Coma
Astroid sized object made of rock and frozen material
Comet
Frozen chunks of ice and us that orbits the sun are Called
Comets
88 zones into which modern astronomers divide the sky are
Constellations
What is the outermost layer of the sun's atmosphere
Corona
The summer triangle is formed of what stars
Deneb Vega and Altair
The only planet in the solar system that is absolutely suitable for life
Earth
Astronomer who correctly calculated the return of a comet seen in 1682
Edmond Halley
The orbits of the planets are symmetrical ovals called
Ellipses
During what phase of the moon is the entire sunlit side visible
Full moon
Astronomer who discovered the phases of Venus helped prove the heliocentric view
Galileo Galilei
What is the largest moon in the solar system
Ganymede
Castor
Gemini
The idea that the earth is at the center of the universe and that the sun, planets, and stars all revolves around the earth is what view
Geocentric
Bubbles that cover the surface of the photosphere
Granules
The convection cells that cover the suns of visible surface are called
Granules
The force of attraction that exist between any two objects is
Gravity
What is the line that separates the visible portion of the celestial sphere from the part that an observer cannot see
Horizon
Who developed the law of universal gravitation
Isaac Newton
Astronomer who discovered that the planets don't travel in circles
Johannes Kepler
The largest planet in our solar system
Jupiter
With Which planet do the Trojan astroids share in orbit
Jupiter
What group of small, Icy objects orbit the sun outside the orbit of the outermost planet?
Kuiper belt
Regulus
Leo
What is the distance light travels in one year
Light year
Name for the period of time that the moon takes to orbit the earth
Lunar month
Vega
Lyra
Which category of stars includes the sun
Main sequence
What Latin word is used to refer to the lunar "seas"
Mare
Notable feature of Olympus mons
Mars
The two planets between which the astroid belt is located
Mars and Jupiter
Planet closest to the sun is
Mercury
Speediest planet
Mercury
The fastest moving planet
Mercury
The small rock from space that is burning up as it passes through earths atmosphere is what
Meteor
Small chunks of metal and rock are called
Meteoroids
Astroids located in the inner solar system
NEA's
A large cloud of gas and dust in space is called
Nebula
Planet discovered mathematically
Neptune
The outermost planet in our solar system
Neptune
Heart of a comet
Nucleus
Bellatrix
Orion
Betelgeuse
Orion
What is the apparent change in the position of an object caused by an actual change in the position of the observer
Parallax
The planets closest approach to the sun is called
Perihelion
Mars's two moons are
Phobos and Deimos
What is the visible portion of the sun
Photosphere
What is a rapidly rotating star that amidst directional beans of radio waves
Pulsar
Describes Venus's backward rotation on its axis
Retrograde
An Object that orbits another object
Satellite
Known for its ring system
Saturn
The bright flash of a small meteor shower it is called
Shooting star
The phenomenon in which the moon passes between the sun and the earth is called
Solar eclipse
Tremendous burst of energy caused by magnetic stress within the sun are
Solar flares
What are the flame white columns of gas that continually abrupt from the lowest layer of the sun's atmosphere
Spicules
To determine the distance to start, astronomers measure the angle
Stellar parallax
Dark patches on the sun caused by the suns magnetic field
Sunspots
Larger than normal convention cells that cover the sun surface last from 12 to 24 hours
Super granules
The explosion of the star is called
Supernova
Highly reflective streamer emitted from a comment
Tail
Aldebaran
Taurus
The Hertz sprung Russell diagram is a two dimensional graph that compares stars by their ?
Temperature and brightness
Which asterism is found between the constellations of Pegasus and Andromeda
The great square
What scientific law states the relationship between a planets And average distance from the sun
Third law of planetary motion
Thin layer of the sun's atmosphere that releases ultraviolet radiation
Transition region
Group of astroids that travel in front of and behind Jupiter
Trojan astroids
Venus is usually seen at sunset or sunrise
True
Gas giant that seems to lie on its side
Uranus
The first new planet discovered
Uranus
Polaris
Ursa Minor
Sometimes called the morning star and evening star
Venus
Spica
Virgo
The word planets mean
Wanderer
Imaginary band in the sky which the sun, moon, and planets travel
Zodiac
The sun, planets, the planets moons, and other smaller bodies that orbit the sun form the what
solar System