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Astronomy | Astrophysics
What would be the temperature of a spherical asteroid located between mars and jupiter, twice as far from the Sun as Earth? The asteroid has no atmosphere, and its albedo is 0.15
Astronomy | Astrophysics
a body is weightless at the centree of earth why
Astronomy | Astrophysics
what is the value of g on the surface of a planet whose mass as well as radius is half of the value for earth
Astronomy | Astrophysics
5. Stars A, B, C and D are blackbodies. Their fluxes in the 500 nm and 800 nm wavebands have been measured. The peak of the blackbody curve lies between the two wavebands in each case. The results are given in the table below. Rank the stars in ascending order of surface temperature.
Star F(@200nm)/F(@800nm)
A 3.45x10^-2
B 1.00
C 2.82
D 1.67x10^-2
Explain your answer.
Star F(@200nm)/F(@800nm)
A 3.45x10^-2
B 1.00
C 2.82
D 1.67x10^-2
Explain your answer.
Astronomy | Astrophysics
An object falls freely from 3.2 high above the moon surface , if it takes 2s or reach the surface , find the acceleration due to the moon's gravity.
Ps.(I know it's 1.6m/s^2 but I don't know how to get it )
Ps.(I know it's 1.6m/s^2 but I don't know how to get it )
Astronomy | Astrophysics
How long is the wave originating from 91.5, KUSC on your F.M. dial?
Astronomy | Astrophysics
objects in the elliptical orbit the position farther from the gravity source is called the apogee and the position nearer is called perigee. what are the speeds of the two objects
Astronomy | Astrophysics
Hi,
I have a basic regd Gravity ; All know that Gravity will act on static objects as well but my thought is whether the gravity varies with respect to Velocity. Looks funny ! But there is some external force which is required for gravity to pull the objects when the object comes under its sphere of influence. Isn't it ?
I have a basic regd Gravity ; All know that Gravity will act on static objects as well but my thought is whether the gravity varies with respect to Velocity. Looks funny ! But there is some external force which is required for gravity to pull the objects when the object comes under its sphere of influence. Isn't it ?
Astronomy | Astrophysics
Why is Saturn almost as big as Jupiter, despite its smaller mass
Astronomy | Astrophysics
on which fundamental law of physics is keplers second law is based
