Support Astromart! | Log In | Help
Astronomy NewsTelescope ClassifiedsTelescope AuctionsTelescope Articles & ArticlesTelescope Articles & ReviewsTelescope and Astronomy ForumsAstronomy Events Calendar

Terms of Service
Privacy Policy
Help & FAQ
Astronomy Links
User Profiles
Top Users List
Sponsors
Supporters
RSS Feeds

User Name:

Password:

Save Login
 
New to Astromart?
Register an account...

2016 Presidential Election

View Comments (12)... Previous Polls...

No Cure for the Summertime Blues -- Ten Trillionths of Your Suntan Comes From Beyond Our Galaxy
Posted by Guy Pirro on 8/20/2016 10:09 AM
Lie on the beach this summer and your body will be bombarded by about one sextillion photons of light per second. Most of these photons originate from the Sun. But a very small fraction have traveled across the Universe for billions of years before ending up on your skin. Astronomers have now accurately measured the light hitting the Earth from outside our galaxy over a very broad wavelength range and it amounts to about only ten trillionths of your suntan.
| Read full story | 0 Comments... |
 


Latest Astronomy News

Crab Pulsar Sets New Record for High Energy Photons
Do Black Holes Have a Back Door?
Unlocking the Mysteries of Jupiter's Great Red Spot
Hot Gas in the Milky Way Halo Appears to be Rotating Almost as Fast as the Disk
Hubble Celebrates 50th Anniversary of Star Trek by Boldly Going Where No One Has Gone Before

More Astronomy News...

Latest Articles & Telescope Reviews

Stardust Gallery LED Lightbox Review and Metallic Print Review
A New Refractor On The Horizon
Virtual counterweight for AZ3 mounts
New electronic focusing system from Starlight Instruments
Explore Scientific AR 102

More Articles & Telescope Reviews...


Featured Telecope Classifieds

Never to be made again: Nova Hitch - NOW REDUCED
$1,550.00
Lunt Engineering 152 ED Apo clearance $ 2,390.00
$2,390.00
Lunt Solar Systems LLC
Anacortes Telescope is giving 5% off ALL TeleVue

Anacortes Telescope

More Telescope Classified Listings...


Auctions Ending Soon

Giant German Equatorial
$995.00 (0 bids)
41 hours remaining
Nikon 35mm t-ring in box JAPAN
  (0 bids)
2 days remaining
Ceravolo HD 145 Mak Newt Serial # 0001
$1,775.00 (9 bids)
Reserve not met
3 days remaining
Selsi gold dust cap hard to find
  (0 bids)
4 days remaining
Dust blower bulbs YOU GET BOTH
$1.00 (1 bids)
4 days remaining
Celestron C90 t-adapter with box VERY exc
  (0 bids)
4 days remaining

Auction Listings...

Funding Member
Funding Member
Telescopes, Astronomy,
Binoculars


View All Sponsors...


In

All times are in (GMT-8:00) Pacific Standard Time Zone  
Astronomy News | Telecope Classifieds | Telescope Auctions | Telescope Reviews | Telescopes | Telescope and Astronomy Forums | My Account | Help | RSS