
In Depth | Sun – NASA Solar System Exploration
Our Sun is a medium-sized star with a radius of about 435,000 miles (700,000 kilometers). Many stars are much larger – but the Sun is far more massive than our home planet: it would take more than 330,000 Earths to match the mass of the Sun, and it …
The Sun By the Numbers – NASA Solar System Exploration
Jan 9, 2025 · The Sun is the star at the heart of our solar system. Its gravity holds the solar system together, keeping everything – from the biggest planets to the smallest bits of debris – in its orbit.
Planet Compare - NASA Solar System Exploration
Jan 9, 2025 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
The star nearest to the planet Earth is the sun. The sun’s diameter is 1.4 million kilometers and its distance from Earth is 150 million kilometers. But what do numbers that big really mean? To get an idea of size, use a grapefruit to represent the sun. Set it down and walk a dozen steps away. Turn around and
10 Need-to-Know Things About Jupiter - NASA Solar System …
Jupiter orbits about 484 million miles (778 million kilometers) or 5.2 Astronomical Units (AU) from our Sun (Earth is one AU from the Sun).
Despite the fact that our sun has a mass of 2x1030 kg (or nearly a million times the mass of the Earth), and a radius of 7x10 5 km (about 100 times greater than the radius of the Earth), it is a typical, average-sized star.
Uranus By the Numbers – NASA Solar System Exploration
Jan 9, 2025 · Uranus is the seventh planet from the Sun, and the third largest planet in our solar system. It appears to spin sideways.
When our sun becomes a red giant in another five billion years, it will grow to be 70 times its current size, which would place the Red Giant Betelgeuse surface of the sun near Earth's orbit!
Saturn By the Numbers – NASA Solar System Exploration
Jan 9, 2025 · Saturn is the sixth planet from the Sun, and the second largest in the solar system. It’s surrounded by beautiful rings.
In Depth | Jupiter – NASA Solar System Exploration
Jupiter is the fifth planet from our Sun and is, by far, the largest planet in the solar system – more than twice as massive as all the other planets combined. Jupiter's stripes and swirls are actually cold, windy clouds of ammonia and water, floating in an atmosphere of hydrogen and helium.