Astronomy

Milky Way’s Black Hole grazing on Asteroids

giant black hole at the center of the Milky Way is devouring asteroids

The giant black hole at the center of the Milky Way may be vaporizing and devouring asteroids, which could explain the frequent flares observed, according to astronomers using data from NASA’s Chandra X-ray Observatory.  Credit: X-ray: NASA/CXC/MIT/F. Baganoff et al.; Illustrations: NASA/CXC/M.Weiss

By |February 11, 2012|Categories: Astronomy

Enceladus backlit by Saturn

Moon Enceladus Backlit by Saturn

This moon is shining by the light of its planet. Specifically, a large portion of Enceladus pictured above is illuminated primarily by sunlight first reflected from the planet Saturn.

By |February 10, 2012|Categories: Astronomy

Evidence for former Mars ocean

ESA's Mars Express evidence for an ocean on Mars

ESA’s Mars Express has returned strong evidence for an ocean once covering part of Mars. Using radar, it has detected sediments reminiscent of an ocean floor within the boundaries of previously identified, ancient shorelines on Mars.

By |February 9, 2012|Categories: Astronomy

Fireball Over Corfu, Greece

Fireball Over Corfu

The photo above showing a startling fireball appearing to rip apart the night sky was seen during a star observation session at Mount Pantokrator on the Greek island of Corfu. Photographer: Bill Metallinos; Bill’s Web site

By |February 8, 2012|Categories: Astronomy

La Silla Star Trails North and South

La Silla Observatory in the Atacama desert, Star Trails

Fix your camera to a tripod and you can record graceful trails traced by the stars as planet Earth rotates on its axis. If the tripod is set up at ESO’s La Silla Observatory, high in the Atacama desert of Chile, your star trails would look something like this.  Photographer: Alexandre Santerne

By |February 6, 2012|Categories: Astronomy

NightScapes by Royce Bair

Stars, Milky Way, String Lake, Grand Teton NP

Those breathtaking night sky photos of the our Milky Way with landscapes in the foreground, are from the beautiful set “NightScapes”. Utah-based photographer Royce Bair use his experience for over 30 years now, to take these enhanced landscapes against a twilight sky.

By |February 1, 2012|Categories: Astronomy, Modern Art

The Inflativerse Planetarium

Inflativerse mobile Planetarium by University of Nottingham

The Inflativerse mobile Planetarium is developed at the University of Nottingham. Designed to inflate in minutes and the light projections of the night sky, constellations and more are exceptionally realistic.

By |January 31, 2012|Categories: Astronomy

Crater in Noachis Terra, Mars

Crater in Noachis Terra, Mars from High Resolution Imaging Science Experiment (HiRISE) camera

This enhanced-color image shows sand dunes trapped in an impact crater in Noachis Terra, Mars. Image credit: NASA/JPL-Caltech/Univ. of Arizona

By |January 30, 2012|Categories: Astronomy

Citizen Science- GLOBE at Night

GLOBE at Night for light pollution

Are you a fan of Citizen Science? Do you enjoy participating in projects that help researchers and possibly the environment? GLOBE at Night is one such program! By taking naked-eye observations of the night sky in your area, you can help a world-wide effort to track the effects of light pollution.  via  universetoday  by Ray Sanders

By |January 29, 2012|Categories: Astronomy

What causes Aurora?

Aurora Borealis

Aurora are colorful lights in the night time sky primarily appearing in Earth’s polar regions. But what causes them?

By |January 28, 2012|Categories: Astronomy, Natural phenomena