Register for an account

X

Enter your name and email address below.

Your email address is used to log in and will not be shared or sold. Read our privacy policy.

X

Website access code

Enter your access code into the form field below.

If you are a Zinio, Nook, Kindle, Apple, or Google Play subscriber, you can enter your website access code to gain subscriber access. Your website access code is located in the upper right corner of the Table of Contents page of your digital edition.

The Sciences

The Moon occults Antares tonight!

Newsletter

Sign up for our email newsletter for the latest science news

Nuts, I forgot to post about this earlier: tonight the Moon will pass in front of the bright star Antares. The time depends on where you are; the Moon is close enough to Earth that your longitude will change the timing of the event due to parallax. Check the Lunar Occultations site for info. Note that the time listed is Universal time! Go here to see what time that means for you. This is a non-starter for me here in Boulder; the Moon will be below the horizon when it passes in front of Antares. But you may be in a better location! Also cool: Antares is the brightest star in Scorpius (go here to get a sky map to see where to look) and it's a red supergiant. It's so freaking huge that it will take an appreciable amount of time for the Moon to cover it (a fraction of a second, but not instantaneous). If you're in a place where you can see this, give it a shot! Binoculars are probably best for this, but if you have a small telescope that works too. Astroprof and AstroGuyz have more info, too.

    2 Free Articles Left

    Want it all? Get unlimited access when you subscribe.

    Subscribe

    Already a subscriber? Register or Log In

    Want unlimited access?

    Subscribe today and save 70%

    Subscribe

    Already a subscriber? Register or Log In