Tonight's solstice, at about 8 — when the sun is directly over the Tropic of Cancer — marks the beginning of summer. Seasons are caused by Earth's tilt as the planet orbits the sun. Click "Enter" on the interactive graphic below to learn more.
COMMENTS ADVISORY: Users are solely responsible for opinions they post here; comments do not reflect the views of The Virginian-Pilot or its websites. Users must follow agreed-upon rules: Be civil, be clean, be on topic; don't attack private individuals, other users or classes of people. Read the full rules here.
- Comments are automatically checked for inappropriate language, but readers might find some comments offensive or inaccurate. If you believe a comment violates our rules, click the report violation link below it.
More articles from:
News 
Delicious
Digg
Reddit
Facebook
Twitter
Google
Yahoo