Tonight's Sky
Sun
Sun
Moon
Moon
Mercury
Mercury
Venus
Venus
Mars
Mars
Jupiter
Jupiter
Saturn
Saturn

Tonight's Sky — Change location

OR

Searching...

Tonight's Sky — Select location

Tonight's Sky — Enter coordinates

° '
° '

September 1999

The world's best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky coverage, spot-on observing tips, informative telescope reviews, and much more! All this in an easy-to-understand, user-friendly style that's perfect for astronomers at any level.

Features

The Beginning and the End

Hubble captures a tangled region of newly minted stars, dusty cocoons, and a massive star ready to explode.

Give Peas a Chance

The Big Bang may have given birth to our universe, but many cosmologists are asking what started the Big Bang. Some bet it was an exotic object called a pea instanton.

Architects of Time

One of humanity's first forays into measuring time, Stonehenge laid a foundation for turning the motion of Earth into the precise clocks of today.

The Art of Skyspeak

Quick - name that bright red star in Orion. If you said Beetlejuice instead of Betelgeuse, our handy pronunciation guide will fix you up in no time.

Kids' Corner: Crater Crazy

View the wide variety of impact craters on the moon, then take a turn at making one of your own.

Celestial Portraits: Pisces and Cetus

A watery realm of two fish and one whale offers backyard observers a smorgasbord of galaxies as well as a wonderful variable star.

Adaptive Optics Meet CCDs

Attention all telescope owners - there's a new imaging system that self-adjusts for sky conditions and a mount's tracking error.

Departments

Behind the Scenes
Talking Back
AstroNews
Sky Show
Star Stuff
Looking Ahead
Advertiser Index
Hot Shots
Ultimate Exposure
ADVERTISEMENT

FREE EMAIL NEWSLETTER

Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter.

ADVERTISEMENT
ADVERTISEMENT
BoxProductcovernov

Click here to receive a FREE e-Guide exclusively from Astronomy magazine.

Find us on Facebook

Loading...