How does the sun affect the weather? The Sun is the energy source of all life on Earth. Most of the solar energy arrives on Earth in the form of light and heat. The climate depends on the way in which this energy is distributed between the atmosphere and the earth's surface. The weather is warmer where more energy reaches the surface, and colder where less.

The ACS (Advanced Camera for Surveys) camera installed on the Hubble Space Telescope, has shown this image of quasar 3C 273, located about 3 billion light-years in Virgo. The coronagraph was used to block the bright light emitted from the central area, thus revealing the remarkable complexity of the galaxy in which it is housed.

From what I understand, the mass of a black hole should be nearly infinite, how much more massive can something get? Is the name to be literally interpreted such that a Supermassive Black Hole ju…

There's no lack of photons, how well could a telescope resolve Sun spots and other surface features of the Sun? How would a high resolution Solar (space) telescope differ from for example Hubble wh…

Which scenario will be worse for the ultimate fate of the Universe, forever expanding or the "Big Crunch"? Will the Universe be destroyed in both scenarios? At the present time does it appear that it

A couple of decades ago I read an article (could have been either Astronomy, Space, or Science News) that suggested the contents of the universe may be older than the universe itself. Of course, t…