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8th Science 10
Ch. 10
Question | Answer |
---|---|
Mars's two moons are Deimos and | Phobos |
What is the largest moon in the solar system | ganymede |
A hertzsprung-russell diagram is a two-dimensional graph that compares stars by their temperature and | brightness |
the summer triangle is formed of the stars Deneb, Vega and | Altair |
During what phase of the moon is the entire sunlit side visible | full moon |
The orbits of the planets are symmetrical ovals called | ellipses |
frozen chunks of ice and dust that orbit the sun are called | comets |
The explosion of a star is called a | supernova |
The convection cells that cover the sun's visible surface are called | granules |
What are the flamelike columns of gas that continually erupt from the lowest layer of the sun's atmosphere | spicules |
What is the visible portion of the sun | photosphere |
What galaxy shape is Milky Way | barred spiral |
What unit of measurement is approximately equal to the distance between the sun and the earth | astronomical unit |
describes Venus's backward rotation on its axis | retrograde |
name for the period of time that the moon takes to orbit the earth | lunar month |
imaginary sphere with Earth at the center and the heavenly bodies on its inner surface | celestial sphere |
imaginary band in the sky in which the sun, moon and planets travel | zodiac |
the two planets between which the asteroid belt is located | Mars, Jupiter |
an object that orbits another object | satellite |
describes a star that is always above the horizon to an observer at a particular location | circumpolar |
What group of small, icy objects orbit the sun outside the orbit of the outermost planet | Kuiper belt |
The observed brightness that a star would have to an observer located 10 parsecs away is the ? magnitude | absolute |
What is the cloud of gas and dust that surrounds the center of a comet | coma |
who developed the law of universal gravitation | isaac newton |
what is a rapidly rotating star that emits directional beams of radio waves | pulsar |
what latin word is used to refer to the lunar seas | mare |
Which scientific law states the relationship between a planet's period and average distance from the sun | third law of planetary motion |
What is the apparent change in the position of an object caused by an actual change in the position of the observer | parallax |
What is the largest galaxy in the Local group | Andromeda galaxy |
Which category of stars includes the sun | main sequence |
With which planet do the Trojan asteroids share an orbit | jupiter |
what is an object so massive and dense that not even light can escape its gravity | black hole |
the largest planet | Jupiter |
known for its rings | Saturn |
outermost planet in our solar system | Neptune |
fastest moving planet | Mercury |
sometimes called the morning star and evening star | Venus |
gas giant that seems to lie on its side | uranus |
notable feature is Olympus Mons | Mars |
A planet's closest approach to the sun is | perihelion |
the idea that the earth is at the center of the universe and that the sun, planets and stars all revolve around the earth is the | geocentric view |
a small rock from space that is burning up as it passes through Earth's atmosphere is a | meteor |
a large cloud of gas and dust in space is called | nebula |
the phenomenon in which the moon passes between the sun and the earth is a | solar eclipse |
the study of God's creation beyond the atmosphere | astronomy |
A small group of stars that is used to form a picture or represent an object | asterism |