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Earth

By The Numbers

Earth's Size

Volume: 6.73 x 10¹¹ cubic miles (1.083 x 10¹² km³)
Radius: 3,959 miles (6,371 km)
Diameter: 7,918 miles (12,742 km)
Surface Area: 1.97 x10⁸ square miles (5.1 x 10⁸ km²)
Mass: 5.972 x 10²⁴ kg

Related News

NASA has approved two heliophysics missions to explore the Sun and the system that drives space weather near Earth.

NASA Approves Heliophysics Missions to Explore Sun, Earth's Aurora

NASA Approves Heliophysics Missions to Explore Sun, Earth's Aurora

The next full Moon will be Tuesday evening, December 29, 2020. The Moon will appear full from Monday evening through Thursday morning.

December 2020: The Next Full Moon is the Wolf Moon

December 2020: The Next Full Moon is the Wolf Moon

NASA’s AIM mission has spotted Antarctica's first noctilucent, or night-shining, clouds of the summer.

NASA's AIM Sees First Night-Shining Clouds of Antarctic Summer

NASA's AIM Sees First Night-Shining Clouds of Antarctic Summer

Sentinel-6 Michael Freilich, a joint U.S.-European satellite built to measure global sea surface height, has sent back its first measurements of sea level.

New Satellite Returns First Sea Level Measurements

New Satellite Returns First Sea Level Measurements

A planet in an unlikely orbit around a double star 336 light-years away may offer a clue to a mystery closer to home: the hypothesized "Planet Nine."

Hubble Pins Down Weird Exoplanet with Far-Flung Orbit

Hubble Pins Down Weird Exoplanet with Far-Flung Orbit

NASA has selected two SmallSat missions to share a ride to space in 2025 with the agency’s Interstellar Mapping and Acceleration Probe.

NASA Selects Heliophysics Missions

NASA Selects Heliophysics Missions

Scientists have confirmed that Near-Earth Object 2020 SO is a 1960’s-Era Centaur rocket booster.

Data Confirm Near-Earth Object 2020 SO is Upper Centaur Rocket Booster

Data Confirm Near-Earth Object 2020 SO is Upper Centaur Rocket Booster

With NASA's Eyes on the Earth web-based app, you can tag along with the U.S.-European satellite as it orbits the globe.

Follow Sentinel-6 Michael Freilich in Real Time As It Orbits Earth

Follow Sentinel-6 Michael Freilich in Real Time As It Orbits Earth

The Sentinel-6 Michael Freilich satellite will enhance forecasts and provide detailed information on large-scale ocean currents.

Sentinel-6 Michael Freilich Satellite Launched to Monitor Global Ocean

Sentinel-6 Michael Freilich Satellite Launched to Monitor Global Ocean

Seasonal cues tell Arctic animals when to migrate, when to mate, and when and where to find food. A shift in these cues is already happening.

Arctic Animals Shifting Movement Patterns as Earth's Climate Changes

Arctic Animals Shifting Movement Patterns as Earth's Climate Changes

Sentinel-6 Michael Freilich, the latest in a series of spacecraft designed to monitor our oceans, is ready for launch.

Sentinel-6 Michael Freilich Satellite Prepared for Launch

Sentinel-6 Michael Freilich Satellite Prepared for Launch

STEVE, or Strong Thermal Emission Velocity Enhancement, is still new to scientists, who are working to understand all its details.

Aurora-Chasing Citizen Scientists Help Discover A New Feature of STEVE

Aurora-Chasing Citizen Scientists Help Discover A New Feature of STEVE

Earth has captured a tiny object from its orbit around the Sun and it's probably a Centaur upper stage rocket booster.

Earth May Have Captured a 1960s-Era Rocket Booster

Earth May Have Captured a 1960s-Era Rocket Booster

With a little over two weeks to go until its California launch, the Sentinel-6 Michael Freilich spacecraft is undergoing final preparations.

Sentinel-6 Michael Freilich Prepared for Launch

Sentinel-6 Michael Freilich Prepared for Launch

A new study of Greenland's shrinking ice sheet reveals that many of the island's glaciers are not only retreating but are also undergoing other physical changes.

Greenland's Retreating Glaciers Could Impact Local Ecology

Greenland's Retreating Glaciers Could Impact Local Ecology

The Sentinel-6 Michael Freilich spacecraft be launched Nov. 10 to monitor the height of 90% of Earth's oceans.

U.S.-European Sea Level Satellite Gears Up for Launch

U.S.-European Sea Level Satellite Gears Up for Launch

New study results show that ocean heatwaves can provide enough fuel for hurricanes to gain momentum as they approach land.

Prior Weather Linked to Rapid Intensification of Hurricanes Near Landfall

Prior Weather Linked to Rapid Intensification of Hurricanes Near Landfall

A neighboring shield may have helped Earth develop habitable conditions. That shield was the Moon, says a NASA-led study.

Earth and the Moon Once Shared a Magnetic Shield

Earth and the Moon Once Shared a Magnetic Shield

New research reveals that Pluto's ice caps are created through an entirely different process than ice caps on Earth.

Pluto's Ice Caps Made of Methane, Turns Earth's Process Upside Down

Pluto's Ice Caps Made of Methane, Turns Earth's Process Upside Down

A new video series introduces the people behind the Sentinel-6 Michael Freilich ocean-monitoring satellite.

Meet the People Behind the Sentinel-6 Michael Freilich Spacecraft

Meet the People Behind the Sentinel-6 Michael Freilich Spacecraft

Set for launch in November, the Earth-observing satellite will closely monitor sea level and provide atmospheric data.

5 Things to Know About Sentinel-6 Michael Freilich

5 Things to Know About Sentinel-6 Michael Freilich

The world's latest ocean-monitoring satellite has arrived at Vandenberg Air Force Base in California to be prepared for its Nov. 10 launch.

New Sea Level Satellite Arrives at California Launch Site

New Sea Level Satellite Arrives at California Launch Site

If greenhouse gas emissions continue apace, Greenland and Antarctica’s ice sheets could together contribute more than 15 inches to global sea level rise.

Emissions Could Add 15 Inches to Earth's 2100 Sea Level Rise, NASA-Led Study Finds

Emissions Could Add 15 Inches to Earth's 2100 Sea Level Rise, NASA-Led Study Finds

Experts from NASA and NOAA discuss their analysis and predictions for the new solar cycle.

Solar Cycle 25 Is Here, Scientists Explain What That Means

Solar Cycle 25 Is Here, Scientists Explain What That Means

Surveying sunspots is the most basic of ways we study how solar activity rises and falls over time, and it’s the basis of how we track the solar cycle.

How Scientists Around the World Track the Solar Cycle

How Scientists Around the World Track the Solar Cycle