Question
In: Physics
The star Phi Orionis, like the Sun, is powered by the fusion of hydrogen to helium....
The star Phi Orionis, like the Sun, is powered by the fusion of hydrogen to helium. The mass of Phi Orionis is Mφ = 18M. The luminosity of Phi Orionis is Lφ = 20, 000L. Discuss the likelihood of intelligent life existing on a planet orbiting the star Phi Orionis. [Questions you might want to consider: What is the lifespan of Phi Orionis? How long did it take intelligent life to develop on Earth? How far would you have to be from Phi Orionis to receive the same flux of light that we receive here on Earth from the Sun?}
Solutions
genius_generous answered 1 year agoRelated Solutions
In the sun, 1000g of hydrogen fuses to 993g of helium while the other 7g of...
In the sun, 1000g of hydrogen fuses to 993g of helium while the
other 7g of matter is converted into energy using Einstein's famous
equation E=mc2, where c is the speed of light (3.0*108m/s).
~ What is the ratio of the energy released by the fusion of 1.0
kg of hydrogen to that released by fission of 1.0 kg of
Uranium-235?
~Given the obvious advantage in energy production, briefly
describe some of the difficulties in designing and operating a
fusion...
In the sun, 1000g of hydrogen fuses to 993g of helium while the other 7g of...
In the sun, 1000g of hydrogen fuses to 993g of helium while the
other 7g of matter is converted into energy using Einstein's famous
equation E=mc2, where c is the speed of light (3.0*108m/s).
1. What is the ratio of the energy released by the fusion of 1.0
kg of hydrogen to that released by fission of 1.0 kg of
Uranium-235?
2. Given the obvious advantage in energy production, briefly
describe some of the difficulties in designing and operating a...
Roughly 25% of the sun is comprised of helium and about 75% is hydrogen. Can either...
Roughly 25% of the sun is comprised of helium and about 75% is
hydrogen. Can either of these species escape from the gravitational
field of the sun given that the temperature of its surface is ~5500
K?
Most stars, including our own sun, undergo nuclear fusion using hydrogen as the primary fuel source....
Most stars, including our own sun, undergo nuclear fusion using
hydrogen as the primary fuel source. Some stars, however, use
helium, carbon, or other elements as their primary fuel, and all
stars will have at least trace amounts of many other elements.
Describe a way you can use the concepts of atomic spectroscopy to
determine the elemental composition of stars.
A planet orbits a Sun-like star at an orbital distance of 40 AU. What is its...
A planet orbits a Sun-like star at an orbital distance of 40 AU.
What is its orbital period?
Astronomers have discovered a new planet around a nearby Sun-like star. The following data on the...
Astronomers have discovered a new planet around a nearby
Sun-like star. The following data on the planet is known. It has a
density of 1.4 relative to water along with a mass of 7.8×1027 kg
and a radius of 77,000 km, and its orbital period is 0.52
years.
a) From this information determine the following: the mass and
radius of the planet relative to Earth, semi-major axis of the
planet’s orbit, as well as the mass of the host star....
In the early 1990s, fusion involving hydrogen dissolved in palladium at room temperature, or cold fusion,...
In the early 1990s, fusion involving hydrogen dissolved in
palladium at room temperature, or cold fusion, was proposed as a
new source of energy. This process relies on the diffusion of H2
into palladium. The diffusion of hydrogen gas through a
0.005-cm-thick piece of palladium foil with a cross section of
0.780 cm2 is measured. On one side of the foil, a volume of gas
maintained at 298 K and 1 atm is applied, while a vacuum is applied
to...
In the early 1990s, fusion involving hydrogen dissolved in palladium at room temperature, or cold fusion,...
In the early 1990s, fusion involving hydrogen dissolved in
palladium at room temperature, or cold fusion, was proposed as a
new source of energy. This process relies on the diffusion of H2
into palladium. The diffusion of hydrogen gas through a
0.005-cm-thick piece of palladium foil with a cross section of
0.810 cm2 is measured. On one side of the foil, a volume of gas
maintained at 298 K and 1 atm is applied, while a vacuum is applied
to...
11. [5] The energy of the Sun is created in nuclear fusion. The energy of the...
11. [5] The energy of the Sun is created in nuclear fusion. The
energy of the atom bomb is
produced in nuclear fusion. Pick just one of these processes and
explain why the nucleus
undergoes either fusion or fission. How is this related to the
equation, ?
Hot hydrogen gas, like that found in star formation regions, emits light only at very specific...
Hot hydrogen gas, like that found in star formation regions,
emits light only at very specific wavelengths in the visible part
of the spectrum: λα = 656.3nm (red), λβ = 486.1nm (teal), λγ =
434.1nm (blue) and λδ = 410.2nm (violet). If you wanted to resolve
the first order maxima of these four wavelengths into distinct
spots on your screen using a double slit diffraction grating, what
values for a and d would you choose? Assume that the distance from...
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