the universe

during a total solar eclipse, what feature of the sun becomes visible

where is the corona located

suggest why collaboration amongst the scientific organisations is crucial

packets of energy are called photons. because of the size of the sun it should only take a few seconds for photons from its centre to reach its surface.but the journey takes billions of years. why is this?

what is released into space as a result of the violent fluctuations in the suns magnetic field

every 11 years the suns activity peaks- this is known as a solar maximum. highly energetic matter surges towards earth
a- what does this disrupt on earth
b- what else does it produce

starts are huge spheres of (1) which emit heat and light due to (2, 3) reactions that occur in their core. the (4) is another example of a star.

planets are large astronomical objects which (1) around a star. the force of (2) holds them in orbit.

a solar system is a (1, 2, 3) orbiting a central star. the system includes any (4) orbiting the planets

i am so (1). my name is (2). studying is (3) and (4).