Astronomy | Astrophysics Answers

Assuming that the value of x and y are 40degree and 50degree respectively calculate for the part y

assuming that the value of x and y are 40degree and 50degree respectively calculate for the part y

State the mathematical model that can be used to compute for the paralytic angle hence solve for the paralytic angle

If the entire earth, except for a feather, just winked out of existence, would the feather follow the same orbit that the earth was in?

Can you explain this to me.

The planet Earth has 5.2 times the radius of Krypton, but has the same mass. If an object weighs 288 pounds on Krypton, how many pounds would it weigh on the Earth?

Give the answer as an integer in ordinary (not scientific) notation.

What tests would be undertaken to tell what elements are being fused by a star?

E.g. how could anyone tell whether a star is fusing helium or magnesium.

Is it based on the colour of light emitted? If so what would these be for fusion from hydrogen to iron?

If the satellite S2 at a distance 6850000 m from the center of the earth, determined the orbital period of the satellite.

[Mass of earth, M = 5.97x 〖10〗^24kg, G=6.67x〖10〗^(-11) 〖Nm〗^2 〖kg〗^(-2)

A certain star has a parallax of 0.4 arcseconds. How far away is it (in metres)? [Type in the numerical value and units e.g. 1.23E+16m]

A planet orbits the Sun every 430 years. What is its distance (semi-major axis of the orbit) from the Sun? (Give your answer in SI units and include the unit.)

How long is a 6.8 solar mass star expected to live? (Give your answer in years, just the number, no need to include the unit.)