What is Hubble constant, Hubble constant : H0 (E.P. Hubble; 1925) : The constant that

What is Hubble constant

Hubble constant: H0 (E.P. Hubble; 1925): The constant that determines the relationship among the distance to a galaxy and its velocity of recession due to the growth of the Universe. As the Universe is self-gravitating, it is not truthfully constant. In cosmology, it is stated as

H = (da/dt)/a,

Here a is the 4-radius of the Universe. Whenever computed for the present, it is written as:

H₀ == H (t = now)

The Hubble constant is not acknowledged to great accuracy (only in about a factor of 2), however is believed to lie someplace between 50 and 100 km/s/Mpc.

View Complete Question

Related Questions in Physics

Q : Define Eddington limit Eddington limit

Eddington limit (Sir A. Eddington): The hypothetical limit at which the photon pressure would surpass the gravitational attraction of a light-emitting body. That is, a body emanating radiation at bigger than the Eddington limit would

Q : Define Keplers 1-2-3 law Kepler's 1-2-3

Kepler's 1-2-3 law: The other formulation of Kepler's third law, that relates to the mass m of the primary to a secondary's angular velocity omega and semi major axis a: m o = omega2 a3

Q : Non-Parametric Tests Activity

Activity 9: Non-Parametric Tests 4Non-Parametric Tests While you have learned a number of parametric statistical techniques, you are also aware that if the assumptions related to

Q : Explain the cause of Brownian motion

Briefly define or explain the cause of Brownian motion?

Q : Does solar radiation encompass a

Does solar radiation encompass a complete spectrum of all the forms of electromagnetic radiation?

Q : Measure of the force of gravity Briefly

Briefly explain the measure of the force of gravity on the object?

Q : Explain Coanda effect Coanda effect:

Coanda effect: The effect which points out that a fluid tends to flow all along a surface, instead of flowing via free space.

Q : How energy transformed in windmills

Explain how is energy transformed in the windmills?

Q : Acceleration during this interval The

The velocity of a body was observed to be constant throughout five minutes of its motion. Determine its acceleration during this interval?

Q : Explain Thermodynamic laws Explain

Explain Thermodynamic laws and also First law, Second law, third law and zeroth law of thermodynamics? Thermodynamic laws:

Discover Q & A

Leading Solution Library

Avail More Than 1424686 Solved problems, classrooms assignments, textbook's solutions, for quick Downloads

No hassle, Instant Access

Start Discovering

18,76,764

1936478
Asked

3,689

Active Tutors

1424686

Questions
Answered

Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!

Submit Assignment