Latest Astronomical transit Stories
Scientists will observe Mercury in front of Venus from vantage points on earthbound mountains and with orbiting spacecraft.
This image is a never-before-seen astronomical alignment of a moon traversing the face of Uranus, and its accompanying shadow. The white dot near the center of Uranus' blue-green disk is the icy moon Ariel.
The planet Venus is best known for the thick layers of clouds that veil its surface from view by telescopes on Earth. But the veil has holes, and a New Mexico State University scientist plans on using a solar telescope to peer through them to study the weather on Venus.
When the sun sets on Thursday, January 13th, a golden star will rise in the east. Soaring overhead at midnight, it will be up all night long, beautiful and eye-catching. That "star" is Saturn. January 13th is a special date for Saturn because that's when it is closest to Earth.
Counting down the top ten astrobiology stories for 2004 highlights the accomplishments of those exploring Mars, Saturn, comets, and planets beyond Pluto. Number nine in this countdown was the rarest of all eclipses, the once-per-century eclipse of the Sun by Venus.
It may seem strange now, but in June, the sun didn't set until 8:45 p.m. It's six months later, and the sun sinks below the horizon shortly after 5 p.m. Our number of daylight hours clearly has shrunk. On the first day of summer, it reached its annual maximum for Roanoke at 14 hours 44 minutes.
Positional Astronomy -- Positional astronomy is the study of the positions of celestial objects. This is the oldest branch of astronomy and dates back to antiquity. Observations of celestial objects are important for religious and astrological purposes, as well as for timekeeping. Ancient structures associated with positional astronomy include: -- Chichn Itz -- The Medicine Wheel -- The Pyramids -- Stonehenge -- The Temple of the Sun The unaided human eye can...
- To swell, as grain or wood with water.