Comet Nishimura will reach perihelion (the closest point to the Sun in its orbit) on Sept.…
Category: Planetary Society
Are your solar eclipse glasses safe?
Aside from being sure they come from a reputable source, there are ways to check that…
Cometary sights and sounds | The Planetary Society
The Hera spacecraft is fully assembled. The European Space Agency’s mission will visit Didymos and Dimorphos…
A checklist for what to expect during the…
You can also see the Moon’s shadow by making a pinhole projector, holding up a colander,…
A guide to eclipse vocabulary
Lunar eclipses Lunar eclipse: A celestial event that occurs when the Earth passes between the Sun…
Lost and found | The Planetary Society
JWST has found methane and carbon dioxide in an exoplanet atmosphere. K2-18 b is an exoplanet…
The Day of Action returns to Capitol Hill
A particular emphasis was on the Mars Sample Return program, which is facing major cuts despite…
Want to experience the 2024 total solar…
Crowds versus solitude With an estimated 43.8 million people living in the path of totality, and…
What is an annular solar eclipse?
Why do annular eclipses happen? The Moon’s orbit around the Earth is somewhat elliptical, meaning it…
Equinox and equilux | The Planetary Society
The Day of Action was a great success. More than 100 space enthusiasts from around the…