Black Hole

Photo: Event Horizon Telescope Collaboration, Black hole at the center of Messier 87 Black Hole = a region of space having a gravitational field so intense that no matter or radiation can escape 2019: The Event Horizon Telescope (EHT) @ehtelescope has released a photo of the event horizon of a black hole at the heart …

Mojave Desert

Photo: James Marvin Phelps, Milky Way over the Desert When you see many Joshua trees, you are in the Mojave Desert. – Joshua Tree National Park – JoshuaTreeNPS The Mojave Desert is bordered by the Great Basin to its north and the Sonoran Desert to its south and east. Topographical boundaries include the Tehachapi Mountains …

Cornell Lab of Ornithology

Logo Elsewhere on the Web: Cornell Lab of Ornithology – birds.cornell.edu – dedicated to advancing the understanding and protection of the natural world, the Cornell Lab joins with people from all walks of life to make new scientific discoveries, share insights, and galvanize conservation action. Key Links birds.cornell.edu news YouTube @CornellBirdNews Videos Embedded Tweets Watch …

Gypsum

Photo: Jasperado, Interdune Boardwalk Wikipedia: Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard/sidewalk chalk, and drywall. New Mexico Conditions of the White Sands National Park (New …

Solstice

Poster Solstice = Astronomical event that happens twice each year when the apparent position of the sun in the sky, as viewed from Earth, reaches its northernmost or southernmost extremes June 21 or 22 – The darkest night of the year in the southern hemisphere and the longest day of the year in the north. …

Moon Links

Photo: ESA/A.Gerst, Lunar Eclipse Links related to Earth’s moon presented in somewhat random fashion: 2020 Quotes But why, some say, the moon? Why choose this as our goal? And they may well ask why climb the highest mountain? Why, 35 years ago, fly the Atlantic? Why does Rice play Texas? – President John F. Kennedy, …

International Mountain Day

Poster December 11 is International Mountain Day which celebrates our higher aspirations. Hashtags #MountainsMatter #InternationalMountainDay More Info un.org/en/events/mountainday key messages Twitter @FAOForestry @FAOnews @MPChair Questions How is ‘International Mountain Day’ translated in other languages? How is ‘International Mountain Day’ translated in Indigenous languages? (Important for 2019’s celebration during the International Year of Indigenous Languages) What have we learned …

Volcanoes

Buzzwords A volcano is a rupture on the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. – Wikipedia Examples Eyjafjallajökull Hawai’i Volcanoes National Park Kīlauea Volcano Mexico Nevado de Colima National Park Nevado de Toluca Popocatépetl and Ixtaccíhuatl National Park …

Sequoias

Photo: Peter Sekely, Mariposa Grove Sequoia = a redwood tree, especially the California redwood Headlines Treetop science: Measuring the changing climate’s effects on California sequoias – CBS Planting a ‘Trail of Giants’ – The Atlantic National Park Sites On List Of Landscapes At Risk From Climate Change Wikipedia: Giant sequoia specimens are the most massive …

Colorado River

Buzzwords Wikipedia: The Colorado River is one of the principal rivers of the Southwestern United States and northern Mexico (the other being the Rio Grande). The 1,450-mile-long (2,330 km) river drains an expansive, arid watershed that encompasses parts of seven U.S. and two Mexican states. Starting in the central Rocky Mountains in the U.S., the …