Choose a month and time to view a sky map for Detroit, MI. If you live anywhere near Detroit, your sky will look very much like the image shown. The 15th of every month was chosen as the day. There are two different times given, because the stars are constantly changing due to the rotation of the Earth. Good luck!
No one is sure that Black Holes really exist, but most scientists think they do. They are very hard to see, because they are black and so is space. They are black because their gravity is so strong that...more
In the 1960's, a pair of scientists noticed some annoying static (like you hear on the radio) when trying to use a special radio antenna. The strange thing about the noise was that it was coming from every...more
Cosmology is the study of the whole universe. Just what is the Universe? Well, it is everything that exists. However, from Earth we cannot see everything in the Universe. Some things are dark (brown dwarf...more
The Universe today is very different from the Universe of the past and of the future. We can understand much about the past and the future from what we can currently see. The Universe today is filled...more
Elliptical galaxies come in a range of shapes and sizes. They can be circular or egg-shaped. They can be very large and bright (giants!) or rather small and dim (dwarfs!). Elliptical galaxies are old....more
If you think that this globular cluster looks like a very round elliptical galaxy, you would be right! Elliptical galaxies and globular clusters have a lot in common. There is no gas or dust in a globular...more
In the 1920's the famous American astronomer Edwin Hubble made an amazing discovery. He found that, no matter which direction he looked into space, distant galaxies appeared to be moving away from us....more
Any galaxy which does not look like an elliptical or spiral is called an irregular galaxy. Every irregular galaxy is unique in it's appearance. It doesn't have to look like the others. It just isn't a...more