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

° '
° '
SpitzerRockyPlanet_SliderLarge

Closest rocky exoplanet

NASA’s Spitzer Space Telescope confirms the discovery of the nearest rocky planet a mere 21 light-years away

Learn more »

Take the Universe With You!

First exo-aurora

Powerful aurora found beyond our solar system

Learn more »

P23641_ASY_Norway_564x453

Join Astronomy's Aurora Adventure

Experience a once-in-a-lifetime northern lights tour with Astronomy magazine and TravelQuest International

See the brochure »

Year of Pluto

Revelations of a distant world

Explore the latest »

Pillars of destruction

Cosmic winds erode gas and dust, stopping star formation.

Learn more »

P25368_563x462

Sign Up for Astronomy's five-part Observing Essentials email series!

Get timely coverage of the heavens above

Pluto's atmosphere

New Horizons sees haze around the backlit world

Learn more »

BaliRotator

Indonesian Islands Eclipse

Explore Bali and witness a total solar eclipse in March 2016 with Astronomy magazine and TravelQuest International

View the brochure »

Hubble at 25

How the space telescope changed the cosmos

Learn more »

Ancient mega-Earth

Kepler finds a super-Earth around a Sun-like star

Learn more »

564x453_SoA_RB

Exclusive podcast series

Editor David J. Eicher conducts extensive interviews with the world's top astrophysicists, planetary scientists, and cosmologists

Listen now »

Even more mountains

Pluto's heart is home to a second range of ice mountains

Learn more »

Uwingu Mars

Name a crater ... make an impact!

Learn more »

Closest rocky exoplanet

NASA’s Spitzer Space Telescope confirms the discovery of the nearest rocky planet a mere 21 light-years away

Learn more »

PICTURE OF THE DAYsee all »

Centaurus A

Peculiar galaxy Centaurus A (NGC 5128) is the fifth brightest galaxy in the sky. Perhaps its finest feature is the incredible dust lane that runs across its middle. Like many galaxies, Centaurus A contains a supermassive black hole, which creates a giant jet blasting away from its center. The bright central bulge and dust lane are great targets for amateur astronomers because both can be seen through finder scopes and large binoculars. From a dark location with steady air, this galaxy is visible to the naked eye. (10-inch Ritchey-Chrétien reflector, SBIG STL-11000 CCD camera, LRGB image with exposures of 213, 85, 85, and 85 minutes, respectively)
ADVERTISEMENT

FREE EMAIL NEWSLETTER

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

ADVERTISEMENT
ADVERTISEMENT

Loading...