Long focal length scopes are usually discouraged for beginner deep sky astrophotography, but solar system imagers need that extra focal length reach.
The post Long Focal Length Telescopes for Astrophotography appeared first on Sky & Telescope.
The soon-to-be-launched James Webb Space Telescope should shed light on exoplanet atmospheres and peer back to the universe's first stars.
The post What Will the James Webb Space Telescope Uncover? appeared first on Sky & Telescope.
On its eighth close pass, NASA’s record-breaking Parker Solar Probe entered our star’s atmosphere and “touched” the surface of the Sun.
The post “Humanity Has ‘Touched’ the Sun” appeared first on Sky & Telescope.
Stargazers can find solace for grief in the stars.
The post A Memorial in the Stars appeared first on Sky & Telescope.
New data and analysis show that a long-standing discrepancy in the measurement of the current expansion rate of the universe is real — even as the reason for it remains a mystery.
The post No Release for the Hubble Tension appeared first on Sky & Telescope.
Astronomers have identified the origin of a mysterious flash that occurred three years ago.
The post Stellar Remnant at the Core of Mysterious Flash Dubbed "The Cow" appeared first on Sky & Telescope.
Comet Leonard switches from low in the dawn to low in the dusk this week; you'll need those binocs. The Venus-Saturn-Jupiter line slides westward. And the high full moon of December rides across the sky in Taurus, at the top of the ecliptic.
The post This Week's Sky at a Glance, December 10 – 18 appeared first on Sky & Telescope.
Sky & Telescope and friends report on the total solar eclipse that occurred over Antarctica earlier this week.
The post Total Solar Eclipse: Reports from Antarctica appeared first on Sky & Telescope.
The Imaging X-ray Polarimetry Explorer will shed new light on energetic and enigmatic sources such as magnetars, supernovae, and black holes.
The post NASA Launches New X-ray Explorer appeared first on Sky & Telescope.
At first glance, the annual Geminid meteor shower appears to be on a collision course with a bright Moon. But a closer look reveals a happy window of dark skies.
The post Precious Hours with the Geminids appeared first on Sky & Telescope.
Astronomers have imaged a giant planet around a massive pair of stars, a discovery that challenges our notions of how planets form.
The post Giant Planet Imaged Around Massive Star appeared first on Sky & Telescope.
A satellite galaxy dwarfed by the Milky Way has a black hole nearly as massive as the one at the center of our galaxy.
The post Tiny Galaxy’s Giant Black Hole Throws Astronomers for a Loop appeared first on Sky & Telescope.
Galaxy clusters take eons to collide. Now, astronomers have caught a pair of merging clusters in an in-between stage never seen before.
The post Astronomers Find Confounding Cone Shape in Cluster Collision appeared first on Sky & Telescope.
NASA will end support for the International Space Station by 2030, transitioning low-Earth orbit to commercial operations.
The post What's Next After the International Space Station? appeared first on Sky & Telescope.
New research may explain why satellite galaxies align themselves around the Milky Way
The post How Our Largest Dwarf Galaxy Keeps the Others In Line appeared first on Sky & Telescope.
The year's brightest comet is now on display in the predawn sky this week and next. Here's how to find it.
The post See Comet Leonard at its Best appeared first on Sky & Telescope.
The crescent Moon at dusk hangs under Venus, then Saturn, then Jupiter. Comet Leonard is at its best before dawn. And welcome in, Orion!
The post This Week's Sky at a Glance, December 3 – 11 appeared first on Sky & Telescope.
Astronomers have observed a pair of supermassive black holes set to collide in 250 million years.
The post Nearest Supermassive Black Hole Pair Discovered appeared first on Sky & Telescope.
December’s solstice brings the longest northern nights, and it’s a busy month for stargazers: the Geminid meteors, a visit from Comet Leonard, and a plethora of bright stars and constellations.
The post December: Geminid Meteors & Comet Leonard appeared first on Sky & Telescope.
Proxima Centauri is the dimmest and smallest of the Alpha Centauri system, but it has the honor of being the nearest star.
The post Meet Proxima Centauri: The Closest Star appeared first on Sky & Telescope.
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