The Irish Times

Seeing beyond the horizon

Seeing beyond the horizon

That’s Maths: Light travels more easily through air of lower density

Thu Jun 17 2021 - 06:00

YOU MAY ALSO LIKE...

Crosswords & Puzzles

Crosswords & Puzzles

Crosswords & puzzles to keep you challenged and entertained

The Irish Times ePaper

Stardust

Stardust

Inquests into the nightclub fire that led to the deaths of 48 people

Common Ground

Common Ground

How does a post-Brexit world shape the identity and relationship of these islands

Family Notices

Family NoticesOpens in new window

Weddings, Births, Deaths and other family notices

Facebook page Twitter feed

© 2024 The Irish Times DAC

Subscribe

Why Subscribe?
Subscription Bundles
Subscriber Rewards
Student Subscription
Subscription Help CentreOpens in new window
Home DeliveryOpens in new window
Gift Subscriptions

Support

Contact Us
Help CentreOpens in new window
My Account

About Us

Advertise
Contact Us
The Irish Times Trust
Careers

Irish Times Products & Services

ePaper
Crosswords & puzzles
Newspaper Archive
Newsletters
Article IndexOpens in new window
Discount CodesOpens in new window

The Irish Times

Download the app

MyHome.ieOpens in new windowThe GlossOpens in new windowRecruit IrelandOpens in new windowIrish Times TrainingOpens in new windowRIP.ieOpens in new window

Terms & Conditions
Privacy Policy
Cookie Information
Cookie Settings
Community Standards
Copyright