What Is the Longest Wavelength We Can Observe in Radio Astronomy?

Click For Summary
SUMMARY

The longest wavelength currently observable in radio astronomy is in the extremely low frequency (ELF) range, which can extend up to 100 kilometers. Instruments capable of detecting these wavelengths include ground-based observatories and space missions designed for low-frequency radio observations. Future projects may explore wavelengths beyond current capabilities, potentially utilizing advanced technologies or extraterrestrial platforms. Theoretical discussions suggest that wavelengths longer than 100 kilometers could be feasible with future advancements.

PREREQUISITES
  • Understanding of radio frequency spectrum and its classifications
  • Familiarity with radio astronomy instruments and their capabilities
  • Knowledge of electromagnetic wave propagation
  • Basic concepts of space missions and observational techniques
NEXT STEPS
  • Research advancements in ELF radio astronomy technologies
  • Explore the design and capabilities of future space missions for low-frequency observations
  • Investigate theoretical frameworks for observing wavelengths beyond 100 kilometers
  • Learn about the implications of ELF waves in astrophysical research
USEFUL FOR

Astronomers, astrophysicists, and researchers interested in radio astronomy and the exploration of long-wavelength observations.

kuahji
Messages
390
Reaction score
2
Just curious, what is the longest wavelength we can currently observe with our instruments, & are there are good sources for future (even if just theoretical) projects at longer wavelengths (future projects do no have to be based on Earth)?
 
Last edited:
Astronomy news on Phys.org

Similar threads

  • · Replies 9 ·
Replies
9
Views
1K
  • · Replies 9 ·
Replies
9
Views
3K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 26 ·
Replies
26
Views
5K
Replies
8
Views
5K
  • · Replies 3 ·
Replies
3
Views
3K
  • · Replies 10 ·
Replies
10
Views
3K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 20 ·
Replies
20
Views
4K