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

° '
° '

Tracking asteroids

Erika Rix teaches readers how to sketch asteroids and their background star fields.
RELATED TOPICS: ASTEROIDS | VESTA | CERES | DAWN
Erika-Rix

Within the main asteroid belt, which lies between Mars and Jupiter, are two of the oldest and most massive surviving residents, Ceres and Vesta. The formation of Jupiter interrupted their growths, and during the past 4.5 billion years, they have taken opposite evolutionary paths. Vesta is a rocky asteroid whose face basaltic lava flows and impacts have changed. Ceres, on the other hand, remains basically in its icy primordial state, although cratered.

Astronomy magazine subscribers can read the full column for free. Just make sure you're registered with the website.

Already a subscriber? Register now!

Registration is FREE and takes only a few seconds to complete. If you are already registered on Astronomy.com, please log in below.
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...