Astronomers have observed an object like ‘Oumuamua — but unlike the first known interstellar visitor, this one is in the solar system. The post Can This Near-Earth Asteroid Help Us Understand the First Interstellar Visitor? appeared first on Sky & Telescope.
Read MoreTag: Solar System
Has a Stray Piece of the Moon Become a Quasi-satellite of Earth?
A quasi-satellite of Earth, named Kamoʻoalewa, might actually be a chip off our Moon. The post Has a Stray Piece of the Moon Become a Quasi-satellite of Earth? appeared first on Sky & Telescope.
Read MoreDid a Comet Explode Over South America 12,000 Years Ago?
Huge chunks and twisted slabs of dark glass are strewn across a patch of the Chilean Atacama Desert. Do they have a cosmic origin? The post Did a Comet Explode Over South America 12,000 Years Ago? appeared first on Sky & Telescope.
Read MoreA Near-Miss Total Lunar Eclipse
A near-total lunar eclipse will be widely visible across North America on the night of November 18–19. Dress warmly and go for it! The post A Near-Miss Total Lunar Eclipse appeared first on Sky & Telescope.
Read MoreThe Case for an Active Volcano on Venus
After decades of studying Venus, many questions remain about our planetary next-door neighbor. One question has particularly intrigued astronomers: which, if any, of Venus’s 1,600 volcanoes are still active? The post The Case for an Active Volcano on Venus appeared first on Sky & Telescope.
Read MoreThe Roots of Jupiter’s Great Red Spot Run Deep
NASA’s Juno mission has obtained measurements that finally say just how deep the Great Red Spot goes. The post The Roots of Jupiter’s Great Red Spot Run Deep appeared first on Sky & Telescope.
Read MoreUranus Queues Up for Opposition
Journey to a remote planet then double back to check in on the latest stirrings of Comet 29P/Schwassmann-Wachmann before touching the finger of dawn. The post Uranus Queues Up for Opposition appeared first on Sky & Telescope.
Read MoreJupiter Whacked Again? Japanese Astronomers Record Possible Impact
A group of Japanese astronomers just discovered a potential new impact at the planet Jupiter. The post Jupiter Whacked Again? Japanese Astronomers Record Possible Impact appeared first on Sky & Telescope.
Read MoreTwo Impacts, Not Just One, May Have Formed The Moon
The Moon may have formed in a one-two punch, new simulations suggest. The post Two Impacts, Not Just One, May Have Formed The Moon appeared first on Sky & Telescope.
Read MoreHow Bright Will Comet Leonard Get?
We examine circumstances and expectations for the current apparition of Comet Leonard, which may become the year’s brightest comet. The post How Bright Will Comet Leonard Get? appeared first on Sky & Telescope.
Read More