Stars and planets in the daytimePosted: February 29, 2012
An important, and difficult, concept: There are always stars in the sky, even during daytime. Deborah Byrd from Earthsky.org explains:
People often ask if stars are up there, beyond our blue sky, during the day.
The answer is surely yes, because Earth is a planet in space, surrounded on all sides by stars. The image at right is Venus and the moon, seen through a telescope, in daytime. Venus is the most commonly seen daytime sky object, after the sun and moon. Meanwhile, the chart at the top of this post shows the stars toward the southeast at morning in late February or early March. Of course you really can’t see the stars, but they are there.