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From Our Perspective On EartH

Fall Equinox 2023

Find out when the fall equinox 2023 is, what it means, and how it’s related to the Harvest Moon.

Cutting Edge Discoveries

Gravitational Waves

Up until the first confirmed gravitational wave (GW) direct detection by LIGO/Virgo in 2015, researchers have relied almost exclusively on electromagnetic (EM) radiation (i.e. light) to study...

Black Holes

Learn about the history of black holes, and current scientific discoveries.

Fundamental Ideas

What is the Summer Solstice?

The summer solstice happens in June every year, though the exact calendar day varies. Find out what exactly the summer solstice is, when summer solstice...

Redshift

From radio waves to gamma rays, astronomers are able to learn so much about astronomical objects based on the type of light observed from them....

Planets & Other Worlds

The Solar Cycle

Our Sun goes through periods of activity on a roughly 11 year cycle from solar minimum to solar minimum (or solar maximum to solar maximum)....

James Webb: Other Worlds

Exoplanets are the first thing people tend to think of when thinking about worlds that are not our own. They are important to study because...

Space Exploration

Stellar Lifecycles

Being an infrared telescope, the James Webb is able to see through clouds of dust where newborn stars and planetary systems hide.

What's New

Fall Equinox 2023

Find out when the fall equinox 2023 is, what it means, and how it’s related to the Harvest Moon.

Stellar Lifecycles

Being an infrared telescope, the James Webb is able to see through clouds of dust where newborn stars and planetary systems hide.