Galaxies Archives - Page 19 of 26

Reconstructing 1000 Years of Solar Activity with Tree Rings

Jan 22, 2021 | Daily Space, Earth, Exoplanets, Galaxies, Mars, Quasar, Sky Watching, The Sun

Anatomical Dissection of Planetary Nebula Using Hubble Images

Jan 20, 2021 | Climate Change, Daily Space, Exoplanets, Galaxies, Guest Interview, Jupiter, Neutron Stars / Pulsars, Physics, Planetary Nebulae, Quasar, Supermassive Black Holes, Venus

Our coverage of last week’s AAS meeting continues with new work on the formation of planetary nebula based on Hubble Space Telescope images. Plus, a massive quasar in the early universe, water ice on Ganymede, a super-puff planet, and plans for taking spectra of Venus’ surface, featuring our guest, PSI scientist Dr. Darby Dyer.

Climate Change Affects Harvest, Rocks, Shorelines… and Truffles?

Jan 18, 2021 | AAS, Daily Space, Earth, Galaxies, Stars, Supermassive Black Holes, Supernovae, Supernovae Remnants

Climate change is a leading problem in today’s society, and today we have a quartet of stories on its effect on the world around us. Plus, more coverage from the AAS meeting with three stories on black holes, as well as dating supernovae, breaking a star, and magnetic chaos in a galaxy.

Rocky Planet Found Orbiting Extremely Old Milky Way Star

Jan 13, 2021 | AAS, Daily Space, Exoplanets, Galaxies, Gemini North, Kepler, Neutron Stars / Pulsars, Physics

Researchers using NASA’s TESS and the Keck Observatory found a rocky planet orbiting a 10-billion-year-old star in the Milky Way, up in the galaxy’s thick disk. Plus more planetary news from the AAS Winter Meeting, a magnetar, colliding galaxies, and gravitational wave news.

Hubble Space Telescope Releases Galaxy Merger Montage

Jan 9, 2021 | Asteroids, Brown Dwarf, Crewed Space, Daily Space, Exoplanets, Galaxies, Mars, Nebulae, Observatories, White Dwarfs

Hubble celebrates the new year with a release of six gorgeous galaxy mergers, imaged as a part of their investigation into star formation rates in such systems. Plus, a weird nebula, a big flare from a tiny star, wind on a brown dwarf, and more.

Primordial Black Holes, Dark Matter, and… the Multiverse?

Jan 6, 2021 | Active Galaxies, Astrobiology, Cosmology, Daily Space, Earth, ESA, Mars, Science, Space History, Stars

Theoretical physicists have found a way to possibly detect primordial black holes which could lead to answers about dark matter and maybe even the existence of a multiverse. Plus the age of the Universe, a wobble in Mars’ axis, and that pesky candidate signal from Proxima Centauri.