
The Life Cycle of Stars
... Click Stars: Lights in the Sky and write out the questions and answers to the following on a sheet of white construction paper to be turned in. Be sure your name and period are on it. 1) What is the name of the brightest star in our night sky? What is the name of the brightest star in all of the kno ...
... Click Stars: Lights in the Sky and write out the questions and answers to the following on a sheet of white construction paper to be turned in. Be sure your name and period are on it. 1) What is the name of the brightest star in our night sky? What is the name of the brightest star in all of the kno ...
Fundamental Motions (PowerPoint)
... Northern horizon – tells you your latitude. If strong ocean currents carry your ship North, Polaris will gradually get higher from night to night, and you can correct your course accordingly; if Polaris gradually gets lower, you are drifting South. This sort of simple consideration allowed Columbus ...
... Northern horizon – tells you your latitude. If strong ocean currents carry your ship North, Polaris will gradually get higher from night to night, and you can correct your course accordingly; if Polaris gradually gets lower, you are drifting South. This sort of simple consideration allowed Columbus ...
Earth Space Systems Semester 1 Exam Astronomy Vocabulary Astronomical Unit-
... After the Variable stage of a Medium to Low Mass Star, the outer shell forms a Planetary Nebula around a hot, smaller and less luminous star called a White Dwarf. White Dwarfs are about the size of our Earth but still have a mass near the original Main Sequence star. Eventually the White Dwarf will ...
... After the Variable stage of a Medium to Low Mass Star, the outer shell forms a Planetary Nebula around a hot, smaller and less luminous star called a White Dwarf. White Dwarfs are about the size of our Earth but still have a mass near the original Main Sequence star. Eventually the White Dwarf will ...
BrainPOP - The Science Spot
... 1. Stars change during their lifetime, which can be _______________ of years long. They start out as diffuse clouds of _______ and _________ drifting through space. __________ pulls the clouds together causing clumps to form. If the clump is large enough, the __________ caused by gravity inside a __ ...
... 1. Stars change during their lifetime, which can be _______________ of years long. They start out as diffuse clouds of _______ and _________ drifting through space. __________ pulls the clouds together causing clumps to form. If the clump is large enough, the __________ caused by gravity inside a __ ...
Stars with mass less than 0.5 solar masses
... slowly till they swich off completely, in black dwarf. If a white dwarf is part of a bynar system, for example with a red giant, the first one can steal some of the red giant’s mass and prime the fusion of hydrogen in the external layers. This cause a a big explosion which can be seen from the Earth ...
... slowly till they swich off completely, in black dwarf. If a white dwarf is part of a bynar system, for example with a red giant, the first one can steal some of the red giant’s mass and prime the fusion of hydrogen in the external layers. This cause a a big explosion which can be seen from the Earth ...
Stellar Evolution – Test Review Answers
... 17. Where are giant stars, supergiant stars and white dwarfs found on the H-R diagram, relative to the main sequence? Giant and supergiant stars lie above the main sequence, while white dwarfs are below the main sequence. 18. What is the relationship between mass, luminosity, size, and surface tempe ...
... 17. Where are giant stars, supergiant stars and white dwarfs found on the H-R diagram, relative to the main sequence? Giant and supergiant stars lie above the main sequence, while white dwarfs are below the main sequence. 18. What is the relationship between mass, luminosity, size, and surface tempe ...
1. Star A has a distance of 3 parsecs. What is its parallax angle? 1a
... What would be the apparent brightness of the Sun if we were located at twice Earth’s distance from the Sun. It would be four times less ie. 1300/4W/m2. What would be the apparent brightness of the Sun if we were located at five times Earth’s distance from the Sun. It would be 1300/25W/m2. Stars A an ...
... What would be the apparent brightness of the Sun if we were located at twice Earth’s distance from the Sun. It would be four times less ie. 1300/4W/m2. What would be the apparent brightness of the Sun if we were located at five times Earth’s distance from the Sun. It would be 1300/25W/m2. Stars A an ...
Chapter 10: Measuring the Stars - Otto
... • Measure distance to nearest stars • Baseline is earth’s orbital diameter of 2 A.U. • Parallactic angle (or parallax) is half of total angle • Star with parallax of 1” is 1 parsec distant • 1 parsec (1 pc) is about 3.3 light-years • Smaller parallax means more distant ...
... • Measure distance to nearest stars • Baseline is earth’s orbital diameter of 2 A.U. • Parallactic angle (or parallax) is half of total angle • Star with parallax of 1” is 1 parsec distant • 1 parsec (1 pc) is about 3.3 light-years • Smaller parallax means more distant ...
giant molecular clouds
... Contains many massive, very young stars, including T Tauri Stars: strongly variable; bright in the infrared. ...
... Contains many massive, very young stars, including T Tauri Stars: strongly variable; bright in the infrared. ...
Stellar Spectral Classes
... Using these data, describe and explain one similarity and one difference in the appearance of the two stars as seen with the unaided eye by an observer on the Earth. similarity................................................................................................. ...
... Using these data, describe and explain one similarity and one difference in the appearance of the two stars as seen with the unaided eye by an observer on the Earth. similarity................................................................................................. ...
Star formation jeopardy
... An interstellar cloud is disturbed and begins to gravitationally collapse, fragments,It heats up and spins faster. When the core temperature reaches 10 ...
... An interstellar cloud is disturbed and begins to gravitationally collapse, fragments,It heats up and spins faster. When the core temperature reaches 10 ...
Sydney Observatory night sky map June 2014
... June evenings are great for seeing the brightest part of the Milky Way high overhead. June 21st is the shortest day of the year (winter solstice; 9 hours and 48 minutes of daylight) when the Sun is at its most northerly position in the sky. Saturn is located towards the east in Libra. Mars can be se ...
... June evenings are great for seeing the brightest part of the Milky Way high overhead. June 21st is the shortest day of the year (winter solstice; 9 hours and 48 minutes of daylight) when the Sun is at its most northerly position in the sky. Saturn is located towards the east in Libra. Mars can be se ...
Cygnus (constellation)

Cygnus /ˈsɪɡnəs/ is a northern constellation lying on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan. The swan is one of the most recognizable constellations of the northern summer and autumn, it features a prominent asterism known as the Northern Cross (in contrast to the Southern Cross). Cygnus was among the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations.Cygnus contains Deneb, one of the brightest stars in the night sky and one corner of the Summer Triangle, as well as some notable X-ray sources and the giant stellar association of Cygnus OB2. One of the stars of this association, NML Cygni, is one of the largest stars currently known. The constellation is also home to Cygnus X-1, a distant X-ray binary containing a supergiant and unseen massive companion that was the first object widely held to be a black hole. Many star systems in Cygnus have known planets as a result of the Kepler Mission observing one patch of the sky, the patch is the area around Cygnus. In addition, most of the eastern part of Cygnus is dominated by the Hercules–Corona Borealis Great Wall, a giant galaxy filament that is the largest known structure in the observable universe; covering most of the northern sky.