LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
... body. 12. Define circumpolar star and find the condition for any star to be circumpolar. 13. Define sidereal time ‘t’ and prove that sidereal time is equal to the R.A. ± Hour angle of a star. 14. Find roughly the distance of a star whose parallax is 0.5” given that parallax of the sun is 9” and the ...
... body. 12. Define circumpolar star and find the condition for any star to be circumpolar. 13. Define sidereal time ‘t’ and prove that sidereal time is equal to the R.A. ± Hour angle of a star. 14. Find roughly the distance of a star whose parallax is 0.5” given that parallax of the sun is 9” and the ...
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... 10. To measure the distance between stars in distant galaxies, astronomers use the _LIGHT YEAR_ as a unit. B. True or False (If the statement is false, rewrite the statement to make it true) [10 /10] 11. The distance between Earth and the Sun is one light year. ...
... 10. To measure the distance between stars in distant galaxies, astronomers use the _LIGHT YEAR_ as a unit. B. True or False (If the statement is false, rewrite the statement to make it true) [10 /10] 11. The distance between Earth and the Sun is one light year. ...
Rotation - Cloudfront.net
... body on its axis Revolution – the motion of a body, such as a planet or moon, along a path around some point in space Precession – the slight movement, over a period of 26,000 years, of Earth’s axis ...
... body on its axis Revolution – the motion of a body, such as a planet or moon, along a path around some point in space Precession – the slight movement, over a period of 26,000 years, of Earth’s axis ...
ρ ρ ρ ρ - Bryn Mawr College
... The barycenter of a star and its planet – or of a planet and its moon – is the CENTER of mass of the pair – meaning there is a perfect balance between the mass of the two objects and their respective distances to the baycenter. Using the mass and radius of primary body and satellite, and the orbital ...
... The barycenter of a star and its planet – or of a planet and its moon – is the CENTER of mass of the pair – meaning there is a perfect balance between the mass of the two objects and their respective distances to the baycenter. Using the mass and radius of primary body and satellite, and the orbital ...
Astronomy 211 EXAM 1 2003 February 6 Answer TRUE
... 3. If in the morning the Sun is in the constellation Taurus, by the afternoon it would have moved on past the constellation Cancer. 4. The meridian is both a vertical circle and an hour circle. 5. Altitude is the angle between a star and the celestial equator. 6. In 24 hours a star traces a complete ...
... 3. If in the morning the Sun is in the constellation Taurus, by the afternoon it would have moved on past the constellation Cancer. 4. The meridian is both a vertical circle and an hour circle. 5. Altitude is the angle between a star and the celestial equator. 6. In 24 hours a star traces a complete ...
ASTR120 Homework 1 − Solutions
... If we double the amount of force to 12 N, the acceleration of the same brick would be : 12 = m a a = 12 m a = 12 3 a = 4 mss Ch. 4, Prob. 31. Mercury : Your diagram should look exactly like the one in box 4 - 1. In this case, the inferior planet is Mercury. You can tell from the diagram that b ...
... If we double the amount of force to 12 N, the acceleration of the same brick would be : 12 = m a a = 12 m a = 12 3 a = 4 mss Ch. 4, Prob. 31. Mercury : Your diagram should look exactly like the one in box 4 - 1. In this case, the inferior planet is Mercury. You can tell from the diagram that b ...
Early Astronomy
... • The biggest object in the Solar System, • The brightest object in the Solar System Therefore, it makes logical sense to put it in the center ...
... • The biggest object in the Solar System, • The brightest object in the Solar System Therefore, it makes logical sense to put it in the center ...
What makes day and night?
... moon takes twenty- four hours to spin around one time. The sun is four – five billion kms away. The sun is a ball of gas. By Josh Alesci- Bateman 1H The Earth and the sun make night and day. The Earth spins around to make night and day. Whilst one side is having morning the other side is having nigh ...
... moon takes twenty- four hours to spin around one time. The sun is four – five billion kms away. The sun is a ball of gas. By Josh Alesci- Bateman 1H The Earth and the sun make night and day. The Earth spins around to make night and day. Whilst one side is having morning the other side is having nigh ...
AstroProjectDay4b
... and the Moon on May 6, 2010. The spacecraft was 183 million kilometers (114 million miles) from Earth at the time, farther than our average distance from the Sun (150 million kilometers, or 93 million miles) because Mercury and Earth were at different places in their orbits around the Sun. ...
... and the Moon on May 6, 2010. The spacecraft was 183 million kilometers (114 million miles) from Earth at the time, farther than our average distance from the Sun (150 million kilometers, or 93 million miles) because Mercury and Earth were at different places in their orbits around the Sun. ...
Astronomy Mastery Objectives Semester Exam Review Kepler Telescope
... then Pulsar. A super massive star’s Supernova’s gravitational collapse can develop into a Black Hole. A medium mass star like our Sun will evolve into a Red Giant followed by a Planetary Nebula followed by a White Dwarf and then Black Dwarf star. - Evidence of the Big Bang Theory began with Edwin Hu ...
... then Pulsar. A super massive star’s Supernova’s gravitational collapse can develop into a Black Hole. A medium mass star like our Sun will evolve into a Red Giant followed by a Planetary Nebula followed by a White Dwarf and then Black Dwarf star. - Evidence of the Big Bang Theory began with Edwin Hu ...
Slide 1
... Closest to the Sun Small planet No atmosphere Huge temperature differences Many craters Mercury has been known about since before Christ was born (3rd millenium BC) • Has been visited by ONE spacecraft only ...
... Closest to the Sun Small planet No atmosphere Huge temperature differences Many craters Mercury has been known about since before Christ was born (3rd millenium BC) • Has been visited by ONE spacecraft only ...
4th Grade Science Study Guide 2010
... Saturn- Known for the large rings that surround the body of the planet. Uranus- The last planet in our solar system. It’s axis is tipped which causes it to rotate on its side. What about Pluto? Pluto is known as a dwarf planet. Pluto is considered a dwarf planet because it is very small and followed ...
... Saturn- Known for the large rings that surround the body of the planet. Uranus- The last planet in our solar system. It’s axis is tipped which causes it to rotate on its side. What about Pluto? Pluto is known as a dwarf planet. Pluto is considered a dwarf planet because it is very small and followed ...
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... Explain how the kinetic and potential energy of a celestial object varies as it revolves round the sun. ...
... Explain how the kinetic and potential energy of a celestial object varies as it revolves round the sun. ...
Sun, Moon, and Earth Notes
... space- The giant, near-empty region in which the planets, stars, and galaxies are found. Outer space begins about 60 miles above earth where the atmosphere is very thin. ...
... space- The giant, near-empty region in which the planets, stars, and galaxies are found. Outer space begins about 60 miles above earth where the atmosphere is very thin. ...
Homework 12 1. How would phases change if the Moon were the
... same size as Earth, but still had the same mass? Both total and partial solar eclipses would be more frequent because there is a greater chance that the larger Moon would block the Sun. The Earth will have more Moon to block, but a bigger target. Their will be more partial lunar eclipses and fewer t ...
... same size as Earth, but still had the same mass? Both total and partial solar eclipses would be more frequent because there is a greater chance that the larger Moon would block the Sun. The Earth will have more Moon to block, but a bigger target. Their will be more partial lunar eclipses and fewer t ...
Chp. 3 The sun-earth
... object in the universe attracts every other object." That applies to celestial bodies in the solar system as well. While the Sun's mass exerts a much greater gravitational pull on Earth than Earth does on the Sun, both bodies attract one another. The Sun's great mass keeps its eight planets circling ...
... object in the universe attracts every other object." That applies to celestial bodies in the solar system as well. While the Sun's mass exerts a much greater gravitational pull on Earth than Earth does on the Sun, both bodies attract one another. The Sun's great mass keeps its eight planets circling ...
Chapter 22: Origin of Modern Astronomy
... • In this model, the moon, sun, and the known planets – Mercury, Venus, Mars, Jupiter and Saturn – orbit earth. • Every other body in space circled this system on their own transparent, ...
... • In this model, the moon, sun, and the known planets – Mercury, Venus, Mars, Jupiter and Saturn – orbit earth. • Every other body in space circled this system on their own transparent, ...
What causes eclipses?
... Summary: Two conditions must be met to have an eclipse: 1. It must be full moon (for a lunar eclipse) or new moon (for a solar eclipse). AND 2. The Moon must be at or near one of the two points in its orbit where it crosses the ecliptic plane (its nodes). ...
... Summary: Two conditions must be met to have an eclipse: 1. It must be full moon (for a lunar eclipse) or new moon (for a solar eclipse). AND 2. The Moon must be at or near one of the two points in its orbit where it crosses the ecliptic plane (its nodes). ...
BBC Stargazing Live Star and Moon Guide
... In 2012, Jupiter starts the year in the constellation of Aries and later moves to Taurus. Saturn starts the year in Virgo and ends it in Libra. Flip to our Star Guide to find these constellations. sing binoculars, can you spot the Galilean 1 U moons around Jupiter? Take a look two hours later – yo ...
... In 2012, Jupiter starts the year in the constellation of Aries and later moves to Taurus. Saturn starts the year in Virgo and ends it in Libra. Flip to our Star Guide to find these constellations. sing binoculars, can you spot the Galilean 1 U moons around Jupiter? Take a look two hours later – yo ...
Lunar Data Comparison 3 – Sidereal vs
... this orbit of the Earth around the Sun is longer, in time and distance (about 22,000 miles), than the 360 degree tropical model of the Earth’s orbit around the Sun. Obviously, there cannot be two different circumferences of the Earths absolute 360 degree orbit around the Sun. The time period of this ...
... this orbit of the Earth around the Sun is longer, in time and distance (about 22,000 miles), than the 360 degree tropical model of the Earth’s orbit around the Sun. Obviously, there cannot be two different circumferences of the Earths absolute 360 degree orbit around the Sun. The time period of this ...
Volcanoes and Igneous Activity Earth
... EARTH-MOON SYSTEM • Eclipses • Two types of eclipses • Lunar eclipse • Because the Moon’s orbit is inclined about 5 degrees to the plane of the ecliptic, during most of the times of new and full Moon the Moon is above or below the plane, and no eclipse can occur • The usual number of eclipses is fou ...
... EARTH-MOON SYSTEM • Eclipses • Two types of eclipses • Lunar eclipse • Because the Moon’s orbit is inclined about 5 degrees to the plane of the ecliptic, during most of the times of new and full Moon the Moon is above or below the plane, and no eclipse can occur • The usual number of eclipses is fou ...
AST101_Lect5
... •The biggest object in the Solar System, •The brightest object in the Solar System Therefore, it makes logical sense to put it in the center ...
... •The biggest object in the Solar System, •The brightest object in the Solar System Therefore, it makes logical sense to put it in the center ...
Astro 1050 HW #2
... 1. Describe the difference between the Ptolemaic and the Copernican systems in explaining retrograde motion. 2. If Copernicus’s heliocentric model did not give significantly more accurate predictions than Ptolemy’s geocentric model, why do we now prefer Copernicus’s model? 3. The Earth is closer to ...
... 1. Describe the difference between the Ptolemaic and the Copernican systems in explaining retrograde motion. 2. If Copernicus’s heliocentric model did not give significantly more accurate predictions than Ptolemy’s geocentric model, why do we now prefer Copernicus’s model? 3. The Earth is closer to ...