- Odessa Craters (wta.org)
This short loop encompasses a host of different craters, all formed during 15,000 year old floods. Stroller-friendly tread and plenty of benches make this trail a great opportunity to embrace Washington’s natural history with the whole family.
- Apparent magnitude (Wikipedia)
Apparent magnitude (m) is a measure of the brightness of a star or other astronomical object. An object’s apparent magnitude depends on its intrinsic luminosity, its distance, and any extinction of the object’s light caused by interstellar dust along the line of sight to the observer.