It is believed that the universe is expanding and hence the distant stars are receding from us. Light from such a star will show

How is a star different from shooting star ?

Light from distant star will be reaching on earth's surface in the form of

What is the shape of the wave front in each of the following cases : the portion of the wavelength of light from a distant star intercepted by the Earth

What is the shape of the wavefront in each of the following cases ? The portion of the wavefront of light from a distant star intercepted by the earth .

What is the shape of the wavefront in each of the following cases: The portion of the wavefront of light from a distant star intercepted by the Earth.

_________ made a telescope to observe distant stars.