How long will a 7 solar mass balck hole live?
Q: Complete the following nuclear reactions and identify the cosmic phase (big bang, stellar formation,…
A: All elements which exist today were formed during nuclear reactions. Some of them are generated…
Q: Life on Earth wouldn't be possible without supernovae. Why?
A:
Q: What do you mean by weakly interacting massive particles, or WIMPs,?
A: Given, Weakly interacting massive particles (WIMP)
Q: Calculate the expected life span of a 16 solar mass star
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Q: The Hydra super cluster is at a distance of about 800 MParsec. What is the recessional velocity?
A:
Q: What is the heaviest element likely to be produced in fusion processes in stars?
A: iron is the heaviest element stars can make.
Q: If a giant molecular floyd is 73 pc in diameter and a shock wave can sweep through it in 9 million…
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Q: A red giant loses a solar mass in 150,000 years via a superwind. After 0.9 million years, it has a…
A: Dear student, as per the Qn-+A guidelines I will answer the first question only. Please, ask the…
Q: Neutron Star Accretion Disk. If the accretion disk around a 2.25-solar-mass neutron star has a…
A:
Q: Imagine sensors observe an X4 solar flare and fast-moving 'halo' CME. What sort of response would we…
A: When a strong X4 solar flare occurs along with a fast-moving Coronal Mass Ejection (CME), it can…
Q: We observe a star that is dstar away. How much extinction would there need to be (i.e., what must…
A:
Q: e la supernova?
A: To trigger a type la supernova one of the two stars must be a white dwarf . The other star is often…
Q: What is Big Bang theory?
A: Astronomers have given several theories and facts for the galaxies moving away from our galaxy.…
Q: Calculate the approximate lifetime of a 60 solar mass O star (1 million solar luminosities, 50% of…
A: The Lifetime of a Star:- The lifetime of a star is defined by the equation: τs=τo×MMo-2.5…
Q: 27) Calculate the time it would take for 5 solar mass black to radiate its energy.
A: When stars with mass greater than 3 or 4 solar mass die the gravitational collapse is so large that…
Q: If the inner accretion disk around a black hole has a temperature of 1,000,000 K, at what wavelength…
A: Black holes are regions of large gravitational force in spacetime. The gravitational force is so…
Q: .Explain proton-proton cycle of the energy production in stars using appropriate fusionreactions and…
A: The proton-proton cycle, also known as the proton-proton chain, is the primary energy production…
Q: A red giant loses a solar mass in 250,000 years via a superwind. After 0.8 million years, it has a…
A: The original mass f the red giant is 12.7 MSun.
Q: Interstellar extinction dims starlight by about 1 magnitude per 1000 pc. What fraction of photons…
A: The apparent visual magnitude of star is changed by 1 magnitude, produces a flux ratio of fifth…
Q: Calculate the time required for a 1 solar mass blackhoe to completely radiate its energy.
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Q: Imagine sensors at the L1 point observe an X4 solar flare and fast moving 'halo' CME. What sort of…
A: Given : To explain the change seen on the energetic protons on the Earth when a solar flare and a…
Q: radio lines of neutral Hydrogen (apart from H91α) What does H91α meaning for?
A: Introduction: The Balmer series is the name given to a series of spectral emission lines of the…
Q: what is a star? define neclear fusion? how does nuclear fusion keep the star keep burning ?
A: Star : In basic we can say that star is a very large ball of bright glowing hot matter in space, and…
Q: 1.004 1.002 1.000- 0.998 0.996 0.994 0.992 0.990 10 20 30 40 50 t-2458543 [BJD] From the data,…
A: A: Orbital period of the planet can be estimated from the plot. B: The orbital distance of the…
Q: this Particle ! *Suppese gravieg is Gastant. (Epshkg Ft= -k v² Ft up down
A: given is force is proportional to second power of velocity . there is gravitational force also mg…
Q: What is “dark energy”? What is “dark matter”? Why do some scientists think it is everywhere, while…
A: We live in a universe where a lot of space seems to have nothing but a vacuum. A majority portion of…
Q: A halo CME is observed moving away from the Sun. Should we expect this CME to impact Earth?…
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Q: Can i get help with this three questions about solar masses : 1.What is the significance of 8 solar…
A: 1.When a star's mass exceeds 8 solar masses, it must undergo a ferocious type II supernova core…
Q: Using conservation of energy equation, solve for the mass of the apple mass of disk is 2.776kg mass…
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Q: a)What is a neutron star? B)How are they formed? C)Will our Sun become a neutron star? Why or why…
A: a) A neutron star is a core which is formed from the collapsed super giant stars which had a total…
Q: What has happened to the CMBR since the Big Bang?
A: Before the big bang, the universe's temperature was very high compared to the present scenario.…
Q: What is a pion and how is it created?
A: We look into the nature of pi mesons and their function in the grand scheme of things.
Q: II. You have been hired as a space weather forecaster. At 11:30:00 UT on your first day, November…
A: The distance from earth to sun is = 149.6 x 106 km
Q: What is Hawking radiation ?
A: It is named after the great scientist Stephen Hawking. He combined quantum physics and the general…
Q: Assume that the umber density of stars in the Milky Way is 0.14 pc-3. There are 10" stars uniformly…
A: Concept: Consider d be the minimum distance of the supernova and the earth to survive in the earth.…
Q: What is Superstring theory?
A: Unification of the particles and the fundamental forces of nature into one theory is known as the…
Q: ASK YOUR TEACHER PRAC A red glant that was originally a 9.5Mun main-sequence star loses a solar mass…
A: 1) Time for loss of one solar mass = 100,000 years Loss of solar mass in 1 year = 1/100,000 per year…
Q: (Astronomy) Supernova Ejection Times. Observations show that the gas ejected from SN 1987A is…
A:
Q: What is a super force?
A: Super force is defined as a single force of which electromagnetism, the weak force, the strong…
Q: At rest carbon emits a spectral line at 364.0 nm. If this line is observed at 410.0 nm from…
A:
Q: Calculate the radii of a Kerr Black Hole's event horizons given the following values. Radius of…
A: Solution:- To solve the event horizon from delta…
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