The community for anyone interested in celestial objects, space, and the physical universe.

Current Topics

Chat with other astronomers, share your experiences or discuss the latest news here.

SubjectStarted By
Cherry SpringsBuzz

Latest News & Blogs

A selection of the latest astronomy news and blog posts.

The Colors of Saturn from Cassini What creates Saturn’s colors? The featured picture of Saturn only slightly exaggerates what a human would see if hovering close to the giant ringed world. The image was taken in 2005 by the r…

This Week’s Sky: March 30 to April 5 - SkyNews This week is all about Earth's close neighbours - Mars meets Saturn, Venus crosses the Pleiades, the Moon buzzes by the Beehive Cluster and the major main belt asteroid Juno will reach opposition. Mars will pass close to a second bright planet this month - when it meets Saturn in the southeastern pre-dawn sky of Tuesday, March 31.

M87's Gargantuan Black Hole - "Unveils History of the Entire Universe" "It's amazing to be able to say, here's the black hole, the size of our solar system, and bigger, and it has the mass of six and a half billion suns," he said.

Heavenly Triangle But in addition, a jewel box of stars lingered above - The Pleiades or the Seven Sisters, forming the apex of a heavenly celestial triangle in the evening sky. The Pleiades are almost elusive, but when you catch them out of the corner of your eye, they are hard not to look at as your gaze continues across the sky.

Videos: "Space to Ground" ISS report - Mar.27.2020 Here is the latest episode in NASA's Space to Ground weekly report on activities related to the International Space Station:. ** Down To Earth - Shining Oasis.

The Lady's Guide to Celestial Mechanics by Olivia Waite We're in the UK, COVID-19 has forced us to our homes, and stress levels are HIGH. Time for some historical lesbian romance! Woman A is an astronomer who's just watched her lover of 5 years marry some bloke. Her father has recently died, and with it her access to a life in science.

A 212 Hour Exposure of Orion The constellation of Orion is much more than three stars in a row. It is a direction in space that is rich with impressive nebulas. To better appreciate this well-known swath of sky, an extremely l…

STEM Saturday: Martha P. Haynes Haynes is an American astronomer and the Goldwin Smith Professor of Astronomy at my alma mater, Cornell University. She is a widely respected radio and extragalactic astronomer. She earned her undergraduate degree at Wellesley and her PhD in astronomy from Indiana University.

"The Firstborn" - Earth's Emerging Cyborg Epoch Before we get to today's big story - a spooky headline says we're entering a new age, "The Novacene", I want to share some thoughts. The story says that we are in the final era of human life on Earth.-that we homo sapiens are an evolutionary transition phase from biology to machine life.

What Is a Supermoon? At the time, Nolle defined a supermoon as "a new or full moon which occurs with the Moon at or near its closest approach to Earth in a given orbit." This definition is what most people go by today, though we tend to pay attention only to the full moon supermoons, since they're a lot more interesting to look at!

Need More Space At Home? Try These Astronomy Livestreams After a few weeks of social distancing and spending a lot of time at home, everywhere feels cramped and small. Use these astronomy live streams to bring more space into your space.

Not seen in 30 years. "Noctilucent clouds have appeared over the South Pacific" Meteorologist Ashleigh Wilson of the Australian Antarctic Division. "I photographed them from Macquarie Island on Jan. 4th." Wilson is just wrapping up a year-long stint on the remote island where the Australian government maintains a research station to study climate change and wildlife.

Tip from astronomy educator: Step outside on a clear night and drink in the night sky A note from astronomy educator Gary Boyle:. As we try to cope with the Covid-19 crisis, we must find ways to reduce stress levels and anxiety. Aside from listening to online music and reading books, try stepping outside on a clear night and drink in the night sky.

How to explore the universe while you're stuck at home Remember, the cosmos is never out of reach; it's always out there, just waiting to be explored from the comfort of your own home!

AASWomen Newsletter for March 27, 2020 AAS Committee on the Status of Women Issue of March 27, 2020 eds: JoEllen McBride, Nicolle Zellner, Heather Flewelling, Maria Patterson, an…

The Sky This Week from March 27 to April 3 Venus and the Moon meet just days before Mars and Saturn come their closest in the sky this week. NGC 869 and NGC 884 are two young star clusters in the constellation Perseus. These targets are easy to capture with binoculars or a small telescope; from dark sites, you may be able to spot them unaided.

"Xtronaut 2.0: The game of solar system exploration" - Xplore sponsors Kickstarter campaign An announcement from Xtronaut:. Xplore Sponsors Xtronaut's Kickstarter Campaign,: Donates Space Games to The Boeing Academyfor STEM Learning at The Museum of Flight. Xplore's Xcraft Now Featured inXTRONAUT 2.0: The Game of Solar System Exploration, the award-winning space-themed board game.

A Mysterious X-ray Signal Has Gone Missing Christopher Dessert and his colleagues were looking for a weak X-ray signal, discovered in 2014 by Esra Bulbul, Alexey Boyarsky, and colleagues. The signal has few ready explanations.

Space to Comfort, Teach, Share, and Escape Plus a high-res map of Bennu, a virtual space party, and more.

"The Missing Photons" - Predicted Dark Matter Signal Fails The planet's frustrating dark-matter quest continues. An unidentified X-ray signature recently observed in nearby galaxies and galaxy clusters is not due to decay of dark matter, researchers report. The findings rule out previously proposed interpretations of dark matter particle physics.

Watch as Hayabusa2 blasts a 17.6-meter-wide crater into an asteroid Video shows the effects of a slug shot into the asteroid Ryugu by the spacecraft Hayabusa2.

This Week's Sky at a Glance, March 27 - April 4 ■ Venus and the waxing crescent Moon shine in the west during and after dusk, as shown above. The Moon and Venus are the two brightest celestial objects after the Sun. No matter how bad your light pollution, it's never a problem for these! ■ Cassiopeia, a signature fall-and-winter constellation, is retreating down after dark.

SpaceX "DARKSAT" results: can Starlink and astronomy happily coexist? Astronomers have begun to gather and analyze detailed observations of a SpaceX Starlink satellite prototype officially labeled DARKSAT and the initial results hint that the satellite constellation should be able to happily coexist with ground-based astronomy in the future.

Upcoming Planet Encounters If it is clear from your location, the planet waltz in the morning sky and evening sky continues and there are a couple of nice encounters in the coming days that you should watch for. On Saturday, March 28th, the planet Venus, the Pleiades open star cluster, and a four-day old crescent Moon form a nice triangle in the western sky after sunset.

More to Explore

Anyone with an interest in astronomy and space can enjoy our forums, news, blogs, videos, podcasts and much more!

Astronomy Videos

We've got a fantastic range of videos covering all aspects of astronomy and space.

Astronomy Podcasts

Listen to great podcasts with interviews and discussions associated with astronomical news and theories.

Astronomy Shop

Need another telescope or an astronomy book then you'll find a great choice here.