Star or planet, or what?
... art”. You know good art when you see it, but it is extremely difficult to define. And like poetry and prose, you can easily point to good examples of each, but infrequently one comes across something that is neither one thing nor the other. The zoological approach leans heavily of the work of Martin ...
... art”. You know good art when you see it, but it is extremely difficult to define. And like poetry and prose, you can easily point to good examples of each, but infrequently one comes across something that is neither one thing nor the other. The zoological approach leans heavily of the work of Martin ...
SECTION 8: STARS- OBSERVING CONSTELLATIONS INTRODUCTION
... A light year is a unit of measure for distance in space and equals the distance light travels in 1 year. Light travels 300,000 km (186,000 miles) per second. It takes 8 ½ minutes for light to reach us from our Sun and 4.5 light years for light to reach us from the next closest star, Centauri Proxima ...
... A light year is a unit of measure for distance in space and equals the distance light travels in 1 year. Light travels 300,000 km (186,000 miles) per second. It takes 8 ½ minutes for light to reach us from our Sun and 4.5 light years for light to reach us from the next closest star, Centauri Proxima ...
ASTR-1020 Exam 2 Review Questions
... 2. What is the Doppler Effect? Which direction do spectral lines shift if an object is approaching us? Receding from us? 3. Star A has a parallax of 0.12 arcsec and star B has a parallax of 0.0098 arcsec. Which of these two stars are farther from Earth? (Remember that the parallax angle is inversely ...
... 2. What is the Doppler Effect? Which direction do spectral lines shift if an object is approaching us? Receding from us? 3. Star A has a parallax of 0.12 arcsec and star B has a parallax of 0.0098 arcsec. Which of these two stars are farther from Earth? (Remember that the parallax angle is inversely ...
the lab handout here
... According to the HR diagram, a massive star with a surface temperature of 20,000 K that is nearly a million times brighter than the sun would mostly likely be classified as a ...
... According to the HR diagram, a massive star with a surface temperature of 20,000 K that is nearly a million times brighter than the sun would mostly likely be classified as a ...
Planets Beyond the Solar System
... a star-planet system which is 17,000 light years away in the constellation Sagittarius. The planet is about 1.5 times the size of Jupiter and is orbiting a red dwarf star at about three times the distance that the Earth orbits our Sun. They magnify another star which is about 24,000 light years away ...
... a star-planet system which is 17,000 light years away in the constellation Sagittarius. The planet is about 1.5 times the size of Jupiter and is orbiting a red dwarf star at about three times the distance that the Earth orbits our Sun. They magnify another star which is about 24,000 light years away ...
File
... huge size mean low temperature... it is now a ______ ________. The outer layer of gas gets blown off producing a cloud of gas called a ___________ ______________ leaving a hot, dense core...it is now a ________ __________. the white dwarf eventually cools into a _________ __________. MASSIVE ...
... huge size mean low temperature... it is now a ______ ________. The outer layer of gas gets blown off producing a cloud of gas called a ___________ ______________ leaving a hot, dense core...it is now a ________ __________. the white dwarf eventually cools into a _________ __________. MASSIVE ...
qwk9
... A. Accretion disks and bi-polar jets are features associated with both star formation and active galactic nuclei B. Hayashi tracks describe the evolution of a star on the HR diagram after it has started nuclear fusion C. New stars in the Milky Way are born as a result of the gravitational collapse o ...
... A. Accretion disks and bi-polar jets are features associated with both star formation and active galactic nuclei B. Hayashi tracks describe the evolution of a star on the HR diagram after it has started nuclear fusion C. New stars in the Milky Way are born as a result of the gravitational collapse o ...
Measuring the size of small things Stellar Diameters Atmospheric Cherenkov Telescopes
... approaching and retreating from this cord placed between me and the star, I found the point where its width just hid the star from me. This done, I found the distance of my eye from the cord, which amounts to the same thing as one of the sides which includes the ...
... approaching and retreating from this cord placed between me and the star, I found the point where its width just hid the star from me. This done, I found the distance of my eye from the cord, which amounts to the same thing as one of the sides which includes the ...
Name: Period : ______ The Universe – Life and Death of a Star How
... than ___________ degrees F, and are the most _________________ type of star. 16. Why don’t we see red dwarves in the night sky? 17. Blue main sequence stars have surface temperatures of ____________________ degrees F, can be _______ times more massive than the Sun, and _____________________ times mo ...
... than ___________ degrees F, and are the most _________________ type of star. 16. Why don’t we see red dwarves in the night sky? 17. Blue main sequence stars have surface temperatures of ____________________ degrees F, can be _______ times more massive than the Sun, and _____________________ times mo ...
Extra-Solar Planets
... communications for the last 50 years. ET civilizations up to 50 light years away could be picking us up. • We can “listen” but radio wavelengths may be best – Biggest collecting area - Arecibo telescope. – The background sky is the quietest at wavelengths of about 0.1 mm. At shorter wavelengths, emi ...
... communications for the last 50 years. ET civilizations up to 50 light years away could be picking us up. • We can “listen” but radio wavelengths may be best – Biggest collecting area - Arecibo telescope. – The background sky is the quietest at wavelengths of about 0.1 mm. At shorter wavelengths, emi ...
Powerpoint file
... Subdwarf B Stars (sdB) • sdB stars are believed to be core He-burning stars of 0.5 M on the extended horizontal branch that have lost their envelope • Teff ~ 22.000 – 40.000 K • Periods 100 – 250 secs ...
... Subdwarf B Stars (sdB) • sdB stars are believed to be core He-burning stars of 0.5 M on the extended horizontal branch that have lost their envelope • Teff ~ 22.000 – 40.000 K • Periods 100 – 250 secs ...
Reading Guide/Note sheet – Ancient Astronomers
... model and taught this idea • 2. earth is simply a planet • 3. writes a controversial book called The Revolutions, later banned by the church and burned • ridiculed by many for his writings ...
... model and taught this idea • 2. earth is simply a planet • 3. writes a controversial book called The Revolutions, later banned by the church and burned • ridiculed by many for his writings ...
Reading Guide/Note sheet – Ancient Astronomers
... model and taught this idea • 2. earth is simply a planet • 3. writes a controversial book called The Revolutions, later banned by the church and burned • ridiculed by many for his writings ...
... model and taught this idea • 2. earth is simply a planet • 3. writes a controversial book called The Revolutions, later banned by the church and burned • ridiculed by many for his writings ...
Astronomy Review (Cope) 64KB Jun 09 2013 08:13:01 PM
... 18. Starting with the speed of light being 3.00 x 10 meters per second (or 300,000 km per second), calculate how far light will travel in one (365 day) year. Stars ...
... 18. Starting with the speed of light being 3.00 x 10 meters per second (or 300,000 km per second), calculate how far light will travel in one (365 day) year. Stars ...
Lifetimes of stars
... Stellar Lifetimes • The Sun (and all stars) will eventually run out of fuel (hydrogen in regions where it is hot enough for fusion). • If all the hydrogen in the Sun could fuse to helium, the Sun’s lifetime would be 100 billion years. • But, by the time about 10% of the Sun’s H has been converted in ...
... Stellar Lifetimes • The Sun (and all stars) will eventually run out of fuel (hydrogen in regions where it is hot enough for fusion). • If all the hydrogen in the Sun could fuse to helium, the Sun’s lifetime would be 100 billion years. • But, by the time about 10% of the Sun’s H has been converted in ...
Life Cycle of Stars: Chapter 21
... • Becomes a red giant as hydrogen is depleted • Expands and collapses to facilitate helium burning – Becomes helium burning star ...
... • Becomes a red giant as hydrogen is depleted • Expands and collapses to facilitate helium burning – Becomes helium burning star ...
Protostars and planets
... between planets and stars seemed too obvious to require precise formulation when the only planets known were those in the Solar System: the most massive of them is only MJupiter ≈ 10−3 M⊙ , and there are many of them follow approximately circular orbits about the Sun (indeed “planet” comes from Gree ...
... between planets and stars seemed too obvious to require precise formulation when the only planets known were those in the Solar System: the most massive of them is only MJupiter ≈ 10−3 M⊙ , and there are many of them follow approximately circular orbits about the Sun (indeed “planet” comes from Gree ...
Astronomy – Interpreting Main Sequence Star Data The
... Astronomy – Interpreting Main Sequence Star Data The classification of stars by surface temperature and spectral pattern is a painstaking process requiring the efforts of many scientists from hundreds of observatories around the world. To make it easier to refer to the different types of main sequen ...
... Astronomy – Interpreting Main Sequence Star Data The classification of stars by surface temperature and spectral pattern is a painstaking process requiring the efforts of many scientists from hundreds of observatories around the world. To make it easier to refer to the different types of main sequen ...