Tag
#astronomy
4 posts
FCC Approves Test of Space Mirror to Reflect Sunlight
The FCC has approved a test of a space mirror to reflect sunlight to Earth, sparking concerns about safety, astronomy, and environmental impacts.
Mega-Constellations and Reflective Satellites Threaten Astronomical Observation and Night Sky Visibility
ESO research reveals that over 1.7 million proposed satellites, including bright reflective ones, could devastate astronomy by brightening the night sky. This poses a significant threat to observing…
New Study: Limit Earth Orbit to 100,000 Faint Satellites to Preserve Astronomical Observation
A new ESO study reveals that 1.7 million proposed satellites would devastate astronomy. It recommends limiting orbit to 100,000 faint satellites to protect night sky observations.
The Summer Solstice Explained: Why June 21 Is the Longest Day
The summer solstice is the longest day of the year in the Northern Hemisphere. Here is the simple astronomy behind it, what actually happens in the sky, and why it matters.