When we see a star in the night sky, we are actually seeing how it was sometime in the past. This is because light takes time to
travel from the star to Earth. Light travels 9.5 × 1015 m in one year. This distance is called 1 light year. When an astronomer sees the star Betelgeuse, which is approximately 6.08 × 1018 m from Earth, how long ago did the star appear the way it does to her today?
9.5 x 1015 = 9642.5 <span>6.08 × 1018 = 6189.44 If you take these two problems, and then subtract, and find out the difference between the two distances, then you should be able to get your answer.
Zoospore is a motile asexual spore usually found in algae(endogenous). ... Chlamydospores are thick-walled, large resting spores of several kinds of fungi. Sporangiospore is an aerial hypha that produces sporangiospores of zygomycetes.
