Solar System
Cosmic Companion: A Mysterious Asteroid to Shadow Earth for Two Months
Discovered just a month and a half ago, on August 7, an asteroid is now approaching Earth’s orbit and will arrive on Sunday, September 29.
For about two months, this small cosmic companion will move parallel with Earth as both orbit the Sun. This unusual celestial visitor is a Near Earth Object (NEO), a category that includes small celestial bodies like asteroids and comets.
Astronomers spot new tiny moons around Neptune and Uranus
Astronomers have found three previously unknown moons in our solar system, two additional moons circling Neptune and one around Uranus.
The distant tiny moons were spotted using powerful land-based telescopes in Hawaii and Chile, and announced Friday by the International Astronomical Union's Minor Planet Center.
The latest tally puts Neptune at 16 known moons and Uranus at 28.
NASA issues warning as asteroid the size of a football pitch approaches Earth
“There are millions of asteroids in our solar system, of which around 2,350 asteroids have been classified as potentially hazardous”
Six-planet solar system found in the Milky Way
Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago.
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Scientists discover secret ‘symmetries’ that protect Earth from the chaos of space
A new analysis of chaos in the solar system reveals how planetary collisions are avoided over billions of years.
Why have one ‘impossible’ ring around your world when you could have two?
Earlier this year, astronomers announced that a tiny world beyond Neptune with a diameter about one-third that of Earth's moon possessed a Saturn-like ring that should not be there. It now turns out that there are two such "impossible" rings.
Once in 50,000-year comet may be visible to the eye
A newly discovered comet could be visible to the naked eye as it shoots past Earth and the Sun in the coming weeks for the first time in 50,000 years, astronomers have said.
The comet is called C/2022 E3 (ZTF) after the Zwicky Transient Facility, which first spotted it passing Jupiter in March last year.
There may be 4 quintillion alien spacecraft buzzing in our Solar System
The solar system is vast & the space between our star system and our closest neighbor, Proxima Centauri, is even more vast
Largest comet ever seen is longer than Connecticut
The comet is over 128.7 kilometers in diameter & has a mass of ~500 trillion tons. It won’t hit us but it will help us understand the Oort Cloud
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Tantalizing discovery hints at possibility of life on Pluto
“We found a field of very large icy volcanoes that look nothing like anything else we have seen in the solar system”