Tag: IFTTT

Equinox in the Sky

Does the Sun set in the same direction every day? No, the direction of sunset depends on the time of the year. Although the Sun always sets approximately toward the west, on an equinox like today the Sun sets directly...

/ September 22, 2020

Omega Sunrise

Capturing this sunrise required both luck and timing. First and foremost, precise timing was needed to capture a sailboat crossing right in front of a rising Sun. Additionally, by a lucky coincidence, the background Sun itself appears unusual — it...

/ September 21, 2020

Breaking Distant Light

In the distant universe, time appears to run slowly. Since time-dilated light appears shifted toward the red end of the spectrum (redshifted), astronomers are able to use cosmological time-slowing to help measure vast distances in the universe. Featured, the light...

/ September 20, 2020

Orion in Depth

Orion is a familiar constellation. The apparent positions of its stars in two dimensions create a well-known pattern on the bowl of planet Earth’s night sky. Orion may not look quite so familiar in this 3D view though. The illustration...

/ September 19, 2020

Arp 78: Peculiar Galaxy in Aries

(xxxedit and linkxxx) Peculiar spiral galaxy Arp 78 is found within the boundaries of the head strong constellation Aries, some 100 million light-years beyond the stars and nebulae of our Milky Way galaxy. Also known as NGC 772, the island...

/ September 18, 2020

Solar Cycle 25 Begins

The general trend of monthly sunspot data now confirms that the minimum of the approximately 11 year cycle of solar activity occurred in December 2019, marking the start of Solar Cycle 25. That quiet Sun, at minimum activity, appears on...

/ September 17, 2020

Gravel Ejected from Asteroid Bennu

Why does asteroid Bennu eject gravel into space? No one is sure. The discovery, occurring during several episodes by NASA’s visiting ORISIS-REx spacecraft, was unexpected. Leading ejection hypotheses include impacts by Sun-orbiting meteoroids, sudden thermal fractures of internal structures, and...

/ September 16, 2020

Biomarker Phosphine Discovered in the Atmosphere of Venus

Could there be life floating in the atmosphere of Venus? Although Earth’s planetary neighbor has a surface considered too extreme for any known lifeform, Venus’ upper atmosphere may be sufficiently mild for tiny airborne microbes. This usually disfavored prospect took...

/ September 15, 2020

Corn Moon Rising

A rising moon can be a dramatic sight. A rising Full Corn Moon was captured early this month in time-lapse with a telephoto lens from nearly 30 kilometers away — making Earth’s ascending half-degree companion appear unusually impressive. The image...

/ September 14, 2020

M2 9: Wings of a Butterfly Nebula

Are stars better appreciated for their art after they die? Actually, stars usually create their most artistic displays as they die. In the case of low-mass stars like our Sun and M2-9 pictured here, the stars transform themselves from normal...

/ September 13, 2020