What makes constellations?

Constellations are named after a Greek or Roman God. They were made to help sailors find their way. Now they are used to help more people find their way. In this world such help is very useful.

Monday, June 8, 2026

Sophie Adenot

"French astronaut Sophie Adenot captured the view of a lifetime in a new image of Mount Vesuvius, as seen from aboard the International Space Station."https://www.space.com/astronomy/earth/astronaut-spots-mount-vesuvius-from-space-space-photo-of-the-day-for-june-8-2026

Soviet Probe

"On 7 October 1959, a Soviet probe the size of a small water heater swung around the back of the Moon, opened a camera port on its sunlit side, and began photographing a hemisphere no human had ever seen."https://spacedaily.com/sd-in-1959-the-soviet-luna-3-probe-swung-around-the-far-side-of-the-moon-and-took-29-grainy-photographs-that-humans-had-never-seen-before-then-developed-the-film-onboard-in-a-tiny-automated-darkroom-a/

Radio telescope

"On the night of August 15, 1977, a radio telescope the size of several football fields sat in a field outside Delaware, Ohio, listening to the sky."https://spacedaily.com/sd-in-1977-a-radio-telescope-in-ohio-called-big-ear-picked-up-a-72-second-signal-so-strong-and-so-cleanly-from-the-direction-of-sagittarius-that-the-astronomer-on-duty-circled-it-in-red-ink-and-wrote/

Satellite Company

"A beleaguered satellite company on the verge of bankruptcy a year ago has become the Fortune 500’s latest success story in shareholder returns: its stock price soared 430% since the beginning of last year, including nearly 375% in 2025 alone."https://finance.yahoo.com/markets/stocks/articles/dying-satellite-company-sold-spectrum-155332532.html?guccounter=1&guce_referrer=YW5kcm9pZC1hcHA6Ly9jb20uZ29vZ2xlLmFuZHJvaWQuZ29vZ2xlcXVpY2tzZWFyY2hib3gv&guce_referrer_sig=AQAAAAYmjzVXSavVZyEB8ZiWLI-LIomQskSCx7Kkpd8Gp4Ut2WFo69Mo2WhTNIvEVztmvNcKYA5OkONn2S_aMQRH62X8EGwA6cibuz1Jg2Gxz9ypDgpnyK3f7sDR2LeIRic69oUIdhSIqgSchZSM50dfAdxfFFbn2ls8iPXohYOKo_au

Cosmic Map

"Understanding the nature of our cosmos requires an accurate map of how galaxies are spread throughout it."


https://www.astronomy.com/science/giant-supercluster-discovered-hiding-behind-the-milky-way/

Saturday, June 6, 2026

Brain

"The human brain contains roughly 86 billion neurons."https://spacedaily.com/n-scientists-have-discovered-a-cell-type-in-the-brain-that-was-previously-ignored-and-it-may-explain-why-human-memory-has-no-known-upper-limit/

Mars Rover

"This is one of the sharpest, clearest panoramas you're ever likely to see captured from the surface of Mars."https://www.skyatnightmagazine.com/news/nasa-perseverance-rover-falbreen-mosaic

Space and Time

"Space and time looked settled, at least in broad outline."https://www.thebrighterside.news/post/physicists-propose-that-our-universe-may-contain-three-dimensions-of-time/

Dublin Air

"The air above Dublin contains, among other things, genetic traces of cannabis, poppy, and magic mushrooms."https://spacedaily.com/n-scientists-have-discovered-that-air-filters-can-capture-dna-floating-in-the-atmosphere-and-it-can-identify-wildlife-viruses-and-even-illegal-drugs-nearby/

SpaceX Dragon

"NASA ordered five astronauts on the International Space Station to take shelter in an attached SpaceX Dragon spacecraft today while Russian cosmonauts tried to fix a concerning air leak on the orbiting lab."https://www.space.com/space-exploration/international-space-station/astronauts-on-international-space-station-take-shelter-in-spacex-dragon-as-cosmonauts-try-to-fix-air-leak

Sagittarius A

"After more than 50 years of searching, astrophysicists at Northwestern University have finally discovered evidence of a powerful wind blowing from the Milky Way’s central supermassive black hole, Sagittarius A* (Sgr A*)."https://news.northwestern.edu/stories/2026/06/found-milky-way-black-holes-missing-wind?utm_source=join1440&utm_medium=email&utm_placement=newsletter&user_id=66c4c92f5d78644b3ac5d5b4

Thursday, June 4, 2026

MAVEN

"The first mission devoted to observing the Martian atmosphere and its evolution, NASA’s MAVEN (Mars Atmosphere and Volatile Evolution), has ended after more than 11 years in orbit at Mars and a decade beyond its primary, one-year mission."https://www.nasa.gov/news-release/nasa-says-farewell-to-maven-mars-mission-hosts-media-call-today/?utm_source=join1440&utm_medium=email&utm_placement=newsletter&user_id=66c4c92f5d78644b3ac5d5b4

Disabled in Space

"A British Paralympian and surgeon could become the first person with a physical disability to live in orbit after the government signed a deal with a US company that is building a small commercial space station."https://www.theguardian.com/science/2026/jun/02/british-paralympian-john-mcfall-astronaut-disability-space-station-haven-1-vast

Alexei Leonov

"On 18 March 1965, a 30-year-old Soviet Air Force pilot named Alexei Leonov opened the hatch of an inflatable airlock on Voskhod 2 and became the first human being to float free in space."https://spacedaily.com/sd-in-1965-soviet-cosmonaut-alexei-leonov-stepped-outside-voskhod-2-for-the-first-spacewalk-in-history-and-his-suit-ballooned-so-badly-in-vacuum-that-he-had-to-bleed-oxygen-through-a-valve-to-fit-ba/

Nancy Grace Roman Space Telescope

"We just took one final look at NASA's Nancy Grace Roman Space Telescope, and now? It's officially ready for launch."https://www.space.com/astronomy/the-mirror-passed-with-flying-colors-nasa-just-took-its-last-look-at-the-nancy-grace-roman-space-telescope-before-launch

Wednesday, June 3, 2026

Detecting Light and Radiation

"Detecting light and radiation is essential across the electromagnetic spectrum, but some regions remain especially challenging."https://www.sciencedaily.com/releases/2026/05/260530053416.htm#google_vignette

Ceres

"The long, puzzling dwarf planet Ceres, in reality the first named asteroid, has surface features that are much more complex than previously thought."https://www.universetoday.com/articles/ceres-surface-is-much-more-complex-than-previously-thought

Most Distant Object so far

"On a clear, moonless autumn night, away from city lights, the patch of sky between the constellations Andromeda and Cassiopeia contains a faint, fuzzy smudge that looks like a slightly out-of-focus star."https://spacedaily.com/d-the-light-from-the-andromeda-galaxy-the-most-distant-object-visible-to-the-naked-human-eye-left-its-source-about-2-5-million-years-ago-which-means-when-you-look-at-it-on-a-clear-n/

Tuesday, June 2, 2026

Early Mars

"The familiar version goes like this. Early Mars was a warmer world with rivers and lakes and a thick atmosphere."https://spacedaily.com/t-mars-was-once-a-warmer-world-of-rivers-lakes-and-a-thicker-atmosphere-but-after-its-internal-dynamo-died-and-the-planet-lost-the-magnetic-shield-that-helps-protect-an-atmosphere-the-solar-wind-stri/

Smallest Particles

"By definition, elementary particles can't be broken into smaller pieces."https://phys.org/news/2026-06-photon-infinite-swarm-particles.html#google_vignette

Monday, June 1, 2026

40 Year's in Space

"Forty years ago, the future seemed just around the corner—and the vehicle that was going to take us there was NASA’s Space Shuttle."https://arstechnica.com/culture/2026/05/on-its-40th-anniversary-we-reassess-1986s-spacecamp/