Definitions
... Spectroscopic parallax – is a method of using the HR diagram and D-M formula to determine the approximate distance to a star Visual magnitude – refers to the magnitude as judged by the eye PG magnitude – refers to magnitudes determined by PG emulsions PG PM – uses PG film to record a section of the ...
... Spectroscopic parallax – is a method of using the HR diagram and D-M formula to determine the approximate distance to a star Visual magnitude – refers to the magnitude as judged by the eye PG magnitude – refers to magnitudes determined by PG emulsions PG PM – uses PG film to record a section of the ...
Movement around the sun - E
... time. Earth also rotates, or spins, on its axis. It takes one day to spin around itself one complete time. Earth’s axis is not straight up and down, but tilted at an angle of 23.5 degrees. The rotation is what causes the change from day to night. This tilt is responsible for having seasons. If Earth ...
... time. Earth also rotates, or spins, on its axis. It takes one day to spin around itself one complete time. Earth’s axis is not straight up and down, but tilted at an angle of 23.5 degrees. The rotation is what causes the change from day to night. This tilt is responsible for having seasons. If Earth ...
Parallax and Distance
... If d is much smaller than L (such as in the triangle on the right) then the arc length is approximately a straight line. Equation (1) can then be used to determine L if both d and θ are known. Throughout the course, we will be using angular (arc) measurements. In the conventional system, there are 3 ...
... If d is much smaller than L (such as in the triangle on the right) then the arc length is approximately a straight line. Equation (1) can then be used to determine L if both d and θ are known. Throughout the course, we will be using angular (arc) measurements. In the conventional system, there are 3 ...
Pocket Solar System Activity
... Make sure everyone has a strip of register tape between 1 meter and 1¼ meters long. Cut or fold over the ends so they are straight. Label one end “Sun“ and the other end “Pluto/Kuiper Belt”. Next, fold the tape in half, crease it, open it up again and place a mark at the halfway point. Many will be ...
... Make sure everyone has a strip of register tape between 1 meter and 1¼ meters long. Cut or fold over the ends so they are straight. Label one end “Sun“ and the other end “Pluto/Kuiper Belt”. Next, fold the tape in half, crease it, open it up again and place a mark at the halfway point. Many will be ...
A lesson on Gravity and the Solar System - ICE-CSIC
... The Sun is in the top 10% by mass. The median size of stars in our galaxy is probably less than half the mass of the Sun. The Sun is about 4.5 billion years old. The Greeks called it Helios and the Romans called it Sol. The Sun is 70% hydrogen and 28% helium by mass, everything else amounts to 2%. T ...
... The Sun is in the top 10% by mass. The median size of stars in our galaxy is probably less than half the mass of the Sun. The Sun is about 4.5 billion years old. The Greeks called it Helios and the Romans called it Sol. The Sun is 70% hydrogen and 28% helium by mass, everything else amounts to 2%. T ...
Astronomy 311: Terrestrial Planet Geology • What is the most
... • What is the most important long-lasting internal heat source responsible for geological activity? a) accretion b) radio-active decay c) sunlight? • In general, what kind of planet would you expect to have the thickest lithosphere? a) the largest planet b) the smallest planet c) the planet furthest ...
... • What is the most important long-lasting internal heat source responsible for geological activity? a) accretion b) radio-active decay c) sunlight? • In general, what kind of planet would you expect to have the thickest lithosphere? a) the largest planet b) the smallest planet c) the planet furthest ...
Exam Name___________________________________
... A) They were all places used for religious sacrifice. B) They all can be used as lunar calendars. C) They were all used by ancient peoples for astronomical observations. D) They were all built on the orders of ancient kings. E) all of the above 10) Which of the following is not part of a go ...
... A) They were all places used for religious sacrifice. B) They all can be used as lunar calendars. C) They were all used by ancient peoples for astronomical observations. D) They were all built on the orders of ancient kings. E) all of the above 10) Which of the following is not part of a go ...
Conditions for Life
... super-heated gases (plasma). The Sun’s gravitational pull holds the Earth and the other planets in orbit. Without the Sun, the Earth and other planets in our solar system would float off into space as a result of the absence of the Sun’s gravity. The Sun’s energy influences all of the objects in our ...
... super-heated gases (plasma). The Sun’s gravitational pull holds the Earth and the other planets in orbit. Without the Sun, the Earth and other planets in our solar system would float off into space as a result of the absence of the Sun’s gravity. The Sun’s energy influences all of the objects in our ...
The Solar System
... • New definitions of planets excluded Pluto and added it to the “Dwarf Planet” category due to the fact its tilted orbit crosses the orbit of Neptune. – Astronomers suspect there are up to 2000 Dwarf planets, with as many as 200 in the region of the outer Solar System called the Kuiper Belt Add the ...
... • New definitions of planets excluded Pluto and added it to the “Dwarf Planet” category due to the fact its tilted orbit crosses the orbit of Neptune. – Astronomers suspect there are up to 2000 Dwarf planets, with as many as 200 in the region of the outer Solar System called the Kuiper Belt Add the ...
UCCS Solar Energy ENSC/PES 1600 Fall 2010 Earth, Sun, Time
... B) depends on the star's declination. C) depends on the star's right ascension. D) depends on the observer's latitude. E) depends on the observer's longitude. 22) Which of the following best describes the Tropic of Cancer? A) It is any place where it is always very warm. B) It is another name for th ...
... B) depends on the star's declination. C) depends on the star's right ascension. D) depends on the observer's latitude. E) depends on the observer's longitude. 22) Which of the following best describes the Tropic of Cancer? A) It is any place where it is always very warm. B) It is another name for th ...
Homework #5 Chapter 3: Solar System Due
... highly elliptical orbits. Many of these worlds are very close to their stars, some within 0.1 AU, even planets massive enough to be "gas giants." It is possible, however, that planetary systems such as our own would not produce enough motion in their stars to detect from Earth. The effects of such s ...
... highly elliptical orbits. Many of these worlds are very close to their stars, some within 0.1 AU, even planets massive enough to be "gas giants." It is possible, however, that planetary systems such as our own would not produce enough motion in their stars to detect from Earth. The effects of such s ...
hw4
... Stellar spectra provide astronomers with information that enables temperature, composition, radial motion, magnetic properties, rotation, and color to be determined. An indication (but not direct measurement) of stellar radius, mass, and absolute magnitude can also be obtained from spectral informat ...
... Stellar spectra provide astronomers with information that enables temperature, composition, radial motion, magnetic properties, rotation, and color to be determined. An indication (but not direct measurement) of stellar radius, mass, and absolute magnitude can also be obtained from spectral informat ...
Astronomy
... sun – a star that produces large amounts of radiant energy each second; Earth’s star terrestrial planets – the four inner planets consisting mostly of solid rock tides – the periodic rise and fall of water level caused by the gravitational pull of the moon and sun as well as forces of circular motio ...
... sun – a star that produces large amounts of radiant energy each second; Earth’s star terrestrial planets – the four inner planets consisting mostly of solid rock tides – the periodic rise and fall of water level caused by the gravitational pull of the moon and sun as well as forces of circular motio ...
The Sun: center of the Solar System
... Let’s see how the Sun “stacks up” against some of the objects we have talked about Object ...
... Let’s see how the Sun “stacks up” against some of the objects we have talked about Object ...
How Big Is Big
... 10. Antares is about ________ times larger than our Sun in size. But Antares is only about _____ times more massive that the Sun, so it is _________ dense. If Antares were in our Solar System it would reach out to the orbit of ________! Red __________ and Red Supergiant stars are cooler than our Sun ...
... 10. Antares is about ________ times larger than our Sun in size. But Antares is only about _____ times more massive that the Sun, so it is _________ dense. If Antares were in our Solar System it would reach out to the orbit of ________! Red __________ and Red Supergiant stars are cooler than our Sun ...
Key Stage 2: Teacher`s Pack
... 8. The rotational period of a star is the time it takes to spin around once. The Crab pulsar spins on its axis 30 times a second. What is its rotational period? Period = 1 / frequency = 1/30 = 0.033 seconds 9. This shows one way of finding exoplanets. The amount of light from the star is being measu ...
... 8. The rotational period of a star is the time it takes to spin around once. The Crab pulsar spins on its axis 30 times a second. What is its rotational period? Period = 1 / frequency = 1/30 = 0.033 seconds 9. This shows one way of finding exoplanets. The amount of light from the star is being measu ...
Tour of the Galaxy - Shelbyville Central Schools
... Almost every object in the above photograph is a galaxy. The Coma Cluster of Galaxies contains thousands of galaxies. Each of these galaxies houses billions of stars - just as our own Milky Way Galaxy does. Light from the Coma Cluster takes hundreds of millions of years to reach us. ...
... Almost every object in the above photograph is a galaxy. The Coma Cluster of Galaxies contains thousands of galaxies. Each of these galaxies houses billions of stars - just as our own Milky Way Galaxy does. Light from the Coma Cluster takes hundreds of millions of years to reach us. ...
It`s a bird, it`s a plane…
... • Asteroids are large chunks of metal and rock that are difficult to see with the eye • They do not form tails • They have elliptical orbits • Most orbit the sun in an area known as the asteroid belt (between Mars and Jupiter) in the same direction as the planets ...
... • Asteroids are large chunks of metal and rock that are difficult to see with the eye • They do not form tails • They have elliptical orbits • Most orbit the sun in an area known as the asteroid belt (between Mars and Jupiter) in the same direction as the planets ...
Chapter 18 review answers
... radio waves, microwaves, infrared, ultraviolet, xrays, and Gamma rays. 50. Scientists use special telescopes on the ground but primarily up in space to extract electromagnetic waves. They include ultraviolet telescopes, infrared telescopes, gamma-ray telescopes, and x-ray telescopes. They put these ...
... radio waves, microwaves, infrared, ultraviolet, xrays, and Gamma rays. 50. Scientists use special telescopes on the ground but primarily up in space to extract electromagnetic waves. They include ultraviolet telescopes, infrared telescopes, gamma-ray telescopes, and x-ray telescopes. They put these ...
SNC 1D1 Exam Review 2016 Chemistry: Define the following terms
... Prominences: Explosions at the surface that send hot plasma into space. 12. If you were asked to travel to Mars tomorrow, what are three things that you would need to make sure you had sorted out or at least understood (all science related) before you left? -Atmosphere -Distance from us -Temperature ...
... Prominences: Explosions at the surface that send hot plasma into space. 12. If you were asked to travel to Mars tomorrow, what are three things that you would need to make sure you had sorted out or at least understood (all science related) before you left? -Atmosphere -Distance from us -Temperature ...