Contributor Posts

Hoover Tung on Unsplash

NASA Astronomy Picture of the Day:

Nope, that is not an alien spaceship landing on the Moon! This is an image of the International Space Station (ISS) as it begins to transit in front of the Moon. The ISS is in low-Earth orbit (LEO) where it wizzes around the Earth every 90 minutes. Orbiting the Earth 16 times per day for 25 years, the ISS has photobombed many familiar celestial objects including Venus, Mars, Saturn, and the Sun. Thousands of experiments led by researchers from over one hundred countries have been conducted on the ISS. Growing protein crystals in low gravity was one of the first experiments onboard the ISS and continues to contribute to new medical treatments. ISS astronauts study plant growth, water recycling, human health, and more to support the Artemis missions which will take humans farther than they’ve ever gone before. Next time you are out and about at night, try to spot the ISS zooming across the sky!

Photo by Sébastien Borie Text: Keighley Rockcliffe (NASA GSFC, UMBC CSST, CRESST II)

Key Monastery in the northern Indian state of Himachal Pradesh. It is located at an elevation of 4,166 m (13,668 ft) on a hill rising above the Spiti valley, where it is the largest monastery and houses hundreds of monks. It is said to have been founded in the 11th century and belongs to the Gelugpa school of Indo-Tibetan Buddhism. This view shows the monastery in winter, overlooking the snow-covered Spiti river valley with the Himalayas in the background.

Original: Kulbhushan Singh Suryawanshi (website) Derivative work: Aristeas, CC BY-SA 4.0, via Wikimedia Commons. View source.

Marcus Löfvenberg on Unsplash

NASA Astronomy Picture of the Day:

Why does Comet R3 (PanSTARRS) have a wispy tail? The newest bright member of the inner Solar System, Comet C/2025 R3 (PanSTARRS) is already extending an impressive stream of glowing gas. This tail starts from an unseen central nucleus of dirty ice that is likely a few kilometers across. The nucleus is warmed by the Sun and emits a cloud of neutral gas into a coma that glows light green. Nuclear gas ionized by energetic sunlight is pushed away from the Sun by the solar wind into an ion tail that glows light blue. The wispy nature of the ion tail is caused by the constantly changing structure of the solar wind. Pictured from Rhode Island, USA two days ago, Comet R3 (PanSTARRS) shows off a many-degree ion tail. Comet R3 (PanSTARRS) is best seen before dawn from northern skies for another 10 days, after which it will be best visible from southern skies. Growing Gallery: Comet R3 in 2026

Photo by Haythem Hamdi

Smoky hot rice and ilish bhaja with dal chachchori and eggplant fry is a unique combination of Bengali food habits. Today is Bengali new year.

Sohel Commons, CC BY-SA 4.0, via Wikimedia Commons. View source.

Dušan veverkolog on Unsplash

NASA Astronomy Picture of the Day:

The clouds may look like an oyster, and the stars like pearls, but look beyond. Near the outskirts of the Small Magellanic Cloud, a satellite galaxy some 200 thousand light-years distant, lies 5 million year young star cluster NGC 602. Surrounded by natal gas and dust, NGC 602 is featured in this stunning Hubble image of the region. Fantastic ridges and swept back shapes strongly suggest that energetic radiation and shock waves from NGC 602's massive young stars have eroded the dusty material and triggered a progression of star formation moving away from the cluster's center. At the estimated distance of the Small Magellanic Cloud, the featured picture spans about 200 light-years, but a tantalizing assortment of background galaxies are also visible in this sharp multi-colored view. The background galaxies are hundreds of millions of light-years or more beyond NGC 602. Sky Surprise: What picture did APOD feature on your birthday? (after 1995)

Rudder and propeller on beached fishing vessel Skagerrak, Nørre Vorupør beach, Denmark.

Kim Hansen, CC BY-SA 4.0, via Wikimedia Commons. View source.