The brightest nebula in the sky is __________ a) Orion b) Pleiades c) Cepheid d) Trifid
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A: Temperature (T) = 5800 Kelvin Radius (R) = 700000 km = 7×108 m Distance (d) = 1.5×1011 m
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A: We have to find from carbon in our body come from
Q: calculate their size relative to the Sun. I) L = 0.001 Lsun T = 3000~K
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A: (1) HII region (2) Cold hydrogen gas (3) Dust clouds
Q: Orbital Period= Orbital Radius= Brightness Drop= Planet Radius= Doppler Shift = Velocity = yrs AU %…
A: We know the formula of orbital period T = 2πR3GMWhere R = 2615.42 RsunR = 2615.42 ×696340×103m =…
Q: What are (3) ways to change the # of Days it takes for a pla
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Q: Increasing wavelength
A: 21-Gamma rays 22- X-rays 23- Ultraviolet rays 24- Infrared rays 25- Radio waves
Q: 7. What is the technical name for a star family that formed at the same time from a single cloud of…
A: A star cluster is a group of stars that are born at the same time from a single cloud of gas. They…
Q: 10 to 1,000 solar masses.
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A: By observing the color of an object, astronomers can measure the doppler shift of a starDue to the…
Q: Which celestial object contains more mass? O Star O Galaxy O Nebula O Comet
A: Now, using the Kepler's planetary laws, we can write: Mass of star = Around 0.08-150 solar masses…
Q: 4b) the average density of the earth is 5.5 g/cm^3. Which has the greater density 1g of uranium of…
A: We are given with average density of earth i.e 5.5 grams per cubic cm
Q: Our solar system is approximately 10 billion km across. This diameter can be also be expressed as:…
A: Diameter of our solar systemD= 10 billion km
Q: What percentage of the mass of the solar nebula consisted of elements other than hydrogen and…
A:
Q: The nebula formed when a dying sun sized star begins to shed its outer layer is called as…
A: D
Q: tain
A: Given:- (a) For given TLC: The solvent front is 5.5 cm.
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A: The characteristics of an object in our solar system that allows life to exist are: 1) Distance…
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A:
Q: The first stars to form in our galaxy a. had circular orbits. b. had highly elliptical…
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Q: Problem 4) Is the center of our solar system (including exactly in the same location center of…
A:
Q: When the core runs out of hydrogen, the helium is fused into ___________ a) Hydrogen b) He2+ ions…
A: To find: When the core runs out of hydrogen, the helium is fused into
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A: We have discussed the negative effects of solar system when we change the elements, function and…
Q: You are standing at the South Pole and you observe the night sky you see the star alpha crux which…
A: question is not given clearly
Q: 2. Over several months an astronomer observes an exoplanet orbiting a distant star at a distance of…
A: We have, T=2πRvv=GMstarR T=3.875 years =3.875×365×24×60×60 seconds =122202000 secondsR=5.934 AU…
Q: DESCRIBE THE SOLAR SYSTEM
A: In universe we observed many planetary systems based on planets orbiting a host star. Our planetary…
Q: 6 Which of the following methods has led to the most discoveries of massive planet A B с D Detecting…
A: 16. Solution: The most successful method of detection of the planet is the radial velocity method…
Q: In a scale model of the solar system, the Sun is represented by an object that is 4.5 feet in…
A: Diameter of sun = 1.3927 ×109 m Diameter of Earth = 12742000 m In a scale model, diameter of sun =…
Q: When the earth’s sun would die, it would change into a ____________ a) Supernova b) Nebula c)…
A: Our sun is a medium-mass star in the universe. Thus, when it would die, it would swell up into a red…
Q: Stars appears to move from east to west because A. all stars move from east to west B. the…
A: Option b
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A:
Q: Three planets all orbit the same star. The radius of each planet, and its distance from the star,…
A:
The brightest nebula in the sky is __________
a) Orion
b) Pleiades
c) Cepheid
d) Trifid
Step by step
Solved in 2 steps
- List the following 5 terms in order through a stars life cycle (starting with the sun), through the remainder of its lifetime: a. Black dwarf b. Planetary nebula c. Red giant d. Star (Sun) e. White dwarfRadio maps of our galaxy show spiral arms because a. the arms have larger Doppler shifts. b. the gas in the spiral arms is very hot. c. the dust in spiral arms is denser. d. the gas in spiral arms is denser. e. the stars in the spiral arms emit most of their energy at radio wavelengths.Ans:A.)1025N,B.)6088N Please show your complete solution and write clearly. Thank you.
- Q.9 i) In a physics lab, there is burning smell from the circuit.a) What could be the reason for the burning smell? b) If any of the circuit components are damaged and has to be replaced, what is the besttechnique for this. Define this technique. ii) a) Standard potential energy ‘E’ of a voltaic cell is 1.10V, calculate the potentialenergy at the cathode plate if the potential energy at anode plate is – 0.763V.b) Write any two advantage of a temperature measuring device with mercury.6) Using parallax from the ground to determine the distances to stars becomes impossible due to atmospheric disturbances at a distance of about: a. 10 parsecs b. 100 parsecs c. 500 parsecs d. 60 parsecs e. 2 parsecsA heavenly body revolves around a massive star in a highly elliptical orbit. Ignoring mass loss of the heavenly body when it comes too close to the star, the angular momentum over the orbit is _____________ a) Zero b) Increasing c) Decreasing d) Constant
- 10) Calculate the absolute magnitude of Vega.The types of solar system 12 name's1. Distance to moon is about one quarter million miles, how much is that in km? m? 2. Distance to star Proxima Centauri is about 2.4 x 1013 miles, how much is that in ly? AU? pc? 3. Distance to Sun is 93 million miles, how much is that in ly? AU? pc?