AST 1010 Quiz questions
... eventually arrives at the photosphere. 2. A star is found to have a surface temperature of 4200K. The Sun has a surface temperature of 5800K. Would the Sun or the star have the peak wavelength of the blackbody (or Planck) curve at a shorter wavelength? Explain your answer. 3. Calculate the temperatu ...
... eventually arrives at the photosphere. 2. A star is found to have a surface temperature of 4200K. The Sun has a surface temperature of 5800K. Would the Sun or the star have the peak wavelength of the blackbody (or Planck) curve at a shorter wavelength? Explain your answer. 3. Calculate the temperatu ...
Solar System Origins
... All objects in the Solar System seem to have formed at nearly the same time, out of the same original cloud of gas and dust Radioactive dating of rocks from the Earth, Moon, and some asteroids suggests an age of about 4.5 billion yrs A similar age is found for the Sun based on current observat ...
... All objects in the Solar System seem to have formed at nearly the same time, out of the same original cloud of gas and dust Radioactive dating of rocks from the Earth, Moon, and some asteroids suggests an age of about 4.5 billion yrs A similar age is found for the Sun based on current observat ...
l`Astrofilo - Astro Publishing
... How might photosynthetic life adapt to the presence of two different radiation environments? Would it use G star radiation, M star radiation, or a combination of both? For the example of an M and G star in a close binary arrangement, a habitable planet would be approximately 1 AU from the barycentre ...
... How might photosynthetic life adapt to the presence of two different radiation environments? Would it use G star radiation, M star radiation, or a combination of both? For the example of an M and G star in a close binary arrangement, a habitable planet would be approximately 1 AU from the barycentre ...
`Super Earths` Will Have Plate Tectonics, Scientists Predict
... Plate tectonics, the movement of the giant plates that make up Earth's solid outer shell, are responsible for earthquakes, volcanoes, and other major geological events. In essence, they have dominated Earth's geological history. Earth is the only known planet that has plate tectonics, and this “Our ...
... Plate tectonics, the movement of the giant plates that make up Earth's solid outer shell, are responsible for earthquakes, volcanoes, and other major geological events. In essence, they have dominated Earth's geological history. Earth is the only known planet that has plate tectonics, and this “Our ...
RMH_Stellar_Evolution_Ast2001_09_29_09
... Indirect: -- must know distance Luminosity – depends on surface area (size) and temperature (Stefan-Boltzman Law) Mass -- with luminosity + physics , mass – luminosity relation ...
... Indirect: -- must know distance Luminosity – depends on surface area (size) and temperature (Stefan-Boltzman Law) Mass -- with luminosity + physics , mass – luminosity relation ...
slides - Insight Cruises
... simplistic, but they demonstrated that the interactions of liquid water, natural energy sources, and organic molecules leads to the production of complex organic molecules Even if the Urey/Miller process was not efficient enough to produce large quantities of organics, remember that organics formed ...
... simplistic, but they demonstrated that the interactions of liquid water, natural energy sources, and organic molecules leads to the production of complex organic molecules Even if the Urey/Miller process was not efficient enough to produce large quantities of organics, remember that organics formed ...
Life Cycle of Star EDpuzzle worksheet
... b. White Dwarf 8. What happens to the outer layer of the Red Giant as it expands? a. It will drift off into space and become a Solar Nebula b. It will explode and become a Solar Nebula 9. The remaining core of the Sun will be called a White Dwarf. What is a White Dwarf like? a. It is dense and cool ...
... b. White Dwarf 8. What happens to the outer layer of the Red Giant as it expands? a. It will drift off into space and become a Solar Nebula b. It will explode and become a Solar Nebula 9. The remaining core of the Sun will be called a White Dwarf. What is a White Dwarf like? a. It is dense and cool ...
Rocky planets energy budget
... • The horizontal structure of the atmosphere is determined by the atmospheric circulation • The atmospheric circulation is driven by the latitudinal temperature gradient and is influenced by planet rotation – As a result of planet rotation, the circulation is affected by Coriolis ...
... • The horizontal structure of the atmosphere is determined by the atmospheric circulation • The atmospheric circulation is driven by the latitudinal temperature gradient and is influenced by planet rotation – As a result of planet rotation, the circulation is affected by Coriolis ...
Life Cycle of a Star
... May appear in supernova remnants, as isolated objects or in binary systems ...
... May appear in supernova remnants, as isolated objects or in binary systems ...
Untitled
... 5.Complete the sentences with the right ordinal number: - Venus is the ......................................... planet from the Sun. - Mercury is the .................................... planet from the Sun. - Mars is the .......................................... planet from the Sun. - Earth is th ...
... 5.Complete the sentences with the right ordinal number: - Venus is the ......................................... planet from the Sun. - Mercury is the .................................... planet from the Sun. - Mars is the .......................................... planet from the Sun. - Earth is th ...
lecture4
... • What are the shapes and important properties of the planetary orbits? • How does the speed of a planet vary as it orbits the sun? • How does the period of a planet's orbit depend on its distance from the Sun? ...
... • What are the shapes and important properties of the planetary orbits? • How does the speed of a planet vary as it orbits the sun? • How does the period of a planet's orbit depend on its distance from the Sun? ...
AST 101 Final Exam DO NOT open the exam until
... emitted some X-ray’s with a frequency 1000 times that of visible light. How long will it takes these X-rays to reach the Earth, assuming they could pass through our atmosphere? a.) 8 seconds b.) 8 minutes c.) 80 minutes d.) 8000 minutes ...
... emitted some X-ray’s with a frequency 1000 times that of visible light. How long will it takes these X-rays to reach the Earth, assuming they could pass through our atmosphere? a.) 8 seconds b.) 8 minutes c.) 80 minutes d.) 8000 minutes ...
STARS- hot glowing sphere of gas that produces energy by
... STAR- hot glowing sphere of gas that produces energy by fusion 1] Light year—distance light travels in a year (9.5 trillion km, 6 trillion miles) 2] Star brightness A) Actual brightness- brightness right next to a star B) Apparent brightness—brightness as seen from earth 3] Formation of stars A) Neb ...
... STAR- hot glowing sphere of gas that produces energy by fusion 1] Light year—distance light travels in a year (9.5 trillion km, 6 trillion miles) 2] Star brightness A) Actual brightness- brightness right next to a star B) Apparent brightness—brightness as seen from earth 3] Formation of stars A) Neb ...
Minerals
... the Universe is expanding; Spectral lines shifted toward the red indicate movement away from an object. There is an asteroid belt between Mars and Jupiter. Comets have a highly elliptical orbit. Asteroids and Meteoroids are also out there. ESRT compares luminosity and temperature of stars – note tha ...
... the Universe is expanding; Spectral lines shifted toward the red indicate movement away from an object. There is an asteroid belt between Mars and Jupiter. Comets have a highly elliptical orbit. Asteroids and Meteoroids are also out there. ESRT compares luminosity and temperature of stars – note tha ...
Task 1: The Solar System Task 2: Orbits of the
... On your poster you will need to draw the following diagrams. Draw a sketch on a scrap piece of paper before drawing them on your poster. 1 Draw a diagram showing the Sun, Mercury, Venus, Earth, the Moon, and Mars and the orbit for each planet and the Moon. 2 Add an arrow to show which way the planet ...
... On your poster you will need to draw the following diagrams. Draw a sketch on a scrap piece of paper before drawing them on your poster. 1 Draw a diagram showing the Sun, Mercury, Venus, Earth, the Moon, and Mars and the orbit for each planet and the Moon. 2 Add an arrow to show which way the planet ...
Aims You are going to create a poster about space. First work
... On your poster you will need to draw the following diagrams. Draw a sketch on a scrap piece of paper before drawing them on your poster. 1 Draw a diagram showing the Sun, Mercury, Venus, Earth, the Moon, and Mars and the orbit for each planet and the Moon. 2 Add an arrow to show which way the planet ...
... On your poster you will need to draw the following diagrams. Draw a sketch on a scrap piece of paper before drawing them on your poster. 1 Draw a diagram showing the Sun, Mercury, Venus, Earth, the Moon, and Mars and the orbit for each planet and the Moon. 2 Add an arrow to show which way the planet ...
Document
... time-dependent calculation by Wetherill (1986), the motion of 500 planetesimals in their orbit around the Sun was modeled (see Fig. 2.3). These initially had masses between that of Ceres and half that of the Moon (Table 2.1), and were distributed across a distance range between 0.4 and 2 AU. In the ...
... time-dependent calculation by Wetherill (1986), the motion of 500 planetesimals in their orbit around the Sun was modeled (see Fig. 2.3). These initially had masses between that of Ceres and half that of the Moon (Table 2.1), and were distributed across a distance range between 0.4 and 2 AU. In the ...
The Solar System
... Uranus is a nonterrestrial planet whose surface is a superheated ocean of water. A dense atmosphere of mostly hydrogen and helium provides the pressure that both heats the water to thousands of degrees and prevents it from boiling away. The high temperatures in return prevent the pressure from solid ...
... Uranus is a nonterrestrial planet whose surface is a superheated ocean of water. A dense atmosphere of mostly hydrogen and helium provides the pressure that both heats the water to thousands of degrees and prevents it from boiling away. The high temperatures in return prevent the pressure from solid ...
Space Exploration Review Key
... Staged Rocket - rocket with more that one stage -stage is a section of a rocket that drops off once fuel is used up Ballistic Missile - a rocket with a bomb as a payload, launched in a trajectory that sends it up into space and down onto its target Gravitational Assist - a method of acceleration whi ...
... Staged Rocket - rocket with more that one stage -stage is a section of a rocket that drops off once fuel is used up Ballistic Missile - a rocket with a bomb as a payload, launched in a trajectory that sends it up into space and down onto its target Gravitational Assist - a method of acceleration whi ...
The HR Diagram Interpreted (PowerPoint version)
... million faint red dwarfs low on the main sequence. ...
... million faint red dwarfs low on the main sequence. ...
The HR Diagram Interpreted: Properties of Stars
... million faint red dwarfs low on the main sequence. ...
... million faint red dwarfs low on the main sequence. ...
The GAIA astrometric survey of extra
... particular, the uniqueness of the GAIA contribution to the science of extra-solar planets is better understood in terms of 1) the size of the GAIA sample of potential systems which might be discovered and measured, 2) GAIA’s ability in revealing the existence of a possibly large number of systems wh ...
... particular, the uniqueness of the GAIA contribution to the science of extra-solar planets is better understood in terms of 1) the size of the GAIA sample of potential systems which might be discovered and measured, 2) GAIA’s ability in revealing the existence of a possibly large number of systems wh ...
Planetary habitability
Planetary habitability is the measure of a planet's or a natural satellite's potential to develop and sustain life. Life may develop directly on a planet or satellite or be transferred to it from another body, a theoretical process known as panspermia. As the existence of life beyond Earth is unknown, planetary habitability is largely an extrapolation of conditions on Earth and the characteristics of the Sun and Solar System which appear favourable to life's flourishing—in particular those factors that have sustained complex, multicellular organisms and not just simpler, unicellular creatures. Research and theory in this regard is a component of planetary science and the emerging discipline of astrobiology.An absolute requirement for life is an energy source, and the notion of planetary habitability implies that many other geophysical, geochemical, and astrophysical criteria must be met before an astronomical body can support life. In its astrobiology roadmap, NASA has defined the principal habitability criteria as ""extended regions of liquid water, conditions favourable for the assembly of complex organic molecules, and energy sources to sustain metabolism.""In determining the habitability potential of a body, studies focus on its bulk composition, orbital properties, atmosphere, and potential chemical interactions. Stellar characteristics of importance include mass and luminosity, stable variability, and high metallicity. Rocky, terrestrial-type planets and moons with the potential for Earth-like chemistry are a primary focus of astrobiological research, although more speculative habitability theories occasionally examine alternative biochemistries and other types of astronomical bodies.The idea that planets beyond Earth might host life is an ancient one, though historically it was framed by philosophy as much as physical science. The late 20th century saw two breakthroughs in the field. The observation and robotic spacecraft exploration of other planets and moons within the Solar System has provided critical information on defining habitability criteria and allowed for substantial geophysical comparisons between the Earth and other bodies. The discovery of extrasolar planets, beginning in the early 1990s and accelerating thereafter, has provided further information for the study of possible extraterrestrial life. These findings confirm that the Sun is not unique among stars in hosting planets and expands the habitability research horizon beyond the Solar System.The chemistry of life may have begun shortly after the Big Bang, 13.8 billion years ago, during a habitable epoch when the Universe was only 10–17 million years old. According to the panspermia hypothesis, microscopic life—distributed by meteoroids, asteroids and other small Solar System bodies—may exist throughout the universe. Nonetheless, Earth is the only place in the universe known to harbor life. Estimates of habitable zones around other stars, along with the discovery of hundreds of extrasolar planets and new insights into the extreme habitats here on Earth, suggest that there may be many more habitable places in the universe than considered possible until very recently. On 4 November 2013, astronomers reported, based on Kepler space mission data, that there could be as many as 40 billion Earth-sized planets orbiting in the habitable zones of Sun-like stars and red dwarfs within the Milky Way. 11 billion of these estimated planets may be orbiting Sun-like stars. The nearest such planet may be 12 light-years away, according to the scientists.