2024 Total Solar Eclipse

Total Solar Eclipse

Total Solar Eclipse

When the Moon passes between the Sun and Earth, blocking the Sun.

Path of Totality

Area where viewers can see the Moon totally block the Sun.

Corona

The outer atmosphere of the Sun, visible during a total solar eclipse.

Solar Viewing Safety

Guidelines to protect eyes when viewing a total solar eclipse.

2017 Eclipse Path

Path of the total solar eclipse in 2017, narrower than 2024.

Solar Minimum

Period of low solar activity with fewer solar eruptions.

Solar Maximum

Period of high solar activity with more solar eruptions.

Prominences

Bright, pink curls or loops coming off the Sun.

Coronal Mass Ejection

Large eruption of solar material from the Sun.

NASA Research Initiatives

Projects funded by NASA to study the Sun during the eclipse.

Parker Solar Probe

Spacecraft designed to study the Sun's corona.

Solar Orbiter

Spacecraft designed to study the Sun's corona.

Totality Duration

Length of time the total solar eclipse is fully visible.

Eclipse Duration in Torreón

Totality duration of 4 minutes, 28 seconds near Torreón, Mexico.

Eclipse Duration in Texas

Totality duration of 4 minutes, 26 seconds in Texas.

Eclipse Duration in Economy

Totality duration of over 4 minutes in Economy, Indiana.

Solar Flares

Giant eruptions from the Sun during high solar activity.

Ham Radios

Instruments used to study the Sun during the eclipse.

Sounding Rockets

Instruments launched during the eclipse for research.

Solar Magnetic Field

Flips every 11 years, affecting solar activity cycles.

Streamers

Visible solar atmospheric features during the eclipse.

Solar Eclipse Visibility

99% of U.S. residents can see the eclipse from their location.

NASA Eclipse Website

Resource for information on safely viewing the 2024 eclipse.