Frosty Drew Clear Sky Chart

Current seeing conditions at Frosty Drew Observatory

The Sun and Moon Today

  • The Sun as seen today from NASA SDO.
  • Waning Crescent 14% phase

Astronomy Picture of the Day

Astronomy Picture of the Day

Satellite Events for Tonight

NASA Astronaut to Answer Questions from Students in California

Reported by NASA

Students from Santa Monica, California, will connect with NASA astronaut Jonny Kim as he answers prerecorded science, technology, engineering, and mathematics-related questions aboard the International Space Station. Watch the 20-minute space-to-Earth call...
  • By: NASA
  • On: Wed, 23 Apr 2025 20:27 +0000

Sols 4518-4519: Thumbs up from Mars

Reported by NASA

Written by Susanne Schwenzer, Planetary Geologist at The Open University Earth planning date: Monday, 21st April 2025 It is Easter Monday, a bank holiday here in the United Kingdom. I am Science Operations Working Group Chair today, a role that is mainly f...
  • By: NASA
  • On: Wed, 23 Apr 2025 17:21 +0000

NASA Airborne Sensor’s Wildfire Data Helps Firefighters Take Action

Reported by NASA

Data from the AVIRIS-3 sensor was recently used to create detailed fire maps in minutes, enabling firefighters in Alabama to limit the spread of wildfires and save buildings. A NASA sensor recently brought a new approach to battling wildfire, providing rea...
  • By: NASA
  • On: Wed, 23 Apr 2025 15:48 +0000

NASA Collaborates to Enable Spectrum-Dependent Science, Exploration, and Innovation   

Reported by NASA

In our modern wireless world, almost all radio frequency (RF) spectrum bands are shared among multiple users. In some domains, similar users technically coordinate to avoid interference. The spectrum management team, part of NASA’s SCaN (Space Communicat...
  • By: NASA
  • On: Wed, 23 Apr 2025 14:20 +0000

Management and Regulation Ensure Effective Spectrum Sharing 

Reported by NASA

Spectrum is a shared resource. Since the discovery of radio waves and the invention of the telegraph, humanity has exponentially increased its use of the radio frequency (RF) spectrum.  Consider how many wireless devices are around you right now.  You’...
  • By: NASA
  • On: Wed, 23 Apr 2025 14:19 +0000

NASA’s Use of the Radio Frequency Spectrum

Reported by NASA

As associate administrator for NASA’s Space Operations Mission Directorate Ken Bowersox puts it, “nothing happens without communications.”   And effective communications require the use of radio waves.   None of NASA’s exciting ...
  • By: NASA
  • On: Wed, 23 Apr 2025 14:18 +0000