7 Decades of Sky & Telescope - Now Available!
observing feature

This Week's Sky at a Glance

by Alan M. MacRobert
Bright Venus and Jupiter are closing in on each other a little more each day. Mars is almost as big and bright as it's going to get. And the waning Moon passes Saturn. > read more

SkyWeek Television Show
February 6 - 12, 2012 Powered by TheSkyX from Software Bisque
February 6 - 12, 2012

View SkyWeek
as seen on PBS
click here to watch this week's episode

Sponsored by Meade Instruments
top story
Mars Express spacecraft
New Evidence for Ancient Martian Ocean
For decades planetary scientists have speculated about whether a huge depression that dominates the northern hemisphere of Mars was once flooded with water eons ago. Now radar soundings are showing that the answer might be "yes". > read more
Sky & Telescope News Wire News
equipment info
Photo Gallery
Constellation of Scorpius
Photo Gallery
See the latest amateur astrophotos from visitors to our online photo gallery. > read more

 
interactive observing tools
Interactive Sky Chart
Almanac
Satellite Transit Tracker
Moon Phases
Scope Calculator
Mars Profiler
Jupiter's Red Spot
Moons of Jupiter Jupiter's Moons
Saturn's Moons
Uranus's Moons
Triton Tracker
Minima of Algol
SkyandTelescope.com's Free E-newsletters
Weekly Bulletin
   A roundup of the week's astronomy and sky news.
AstroAlert
   Our e-mail rapid-response system for advanced
   amateur astronomers; as events warrant.
Subscribe to Newsletters More Info
the top five:
Recent Articles
This Week's Sky at a Glance
New Evidence for Ancient Martian Ocean
Comet Garradd Stays the Course
The Dwarfs are for the Dwarfs
The Spin's the Thing
Emailed Articles
New Evidence for Ancient Martian Ocean
Comet Garradd Stays the Course
Show Your Support for Pluto's Probe
This Week's Sky at a Glance
The Spin's the Thing
Sky Publishing, a New Track Media Company
Copyright © 2012 New Track Media. All rights reserved.
Sky & Telescope, Night Sky, and SkyandTelescope.com are registered trademarks of New Track Media