[…] are known to destroy ammonia and ammonia-water mixtures, the age of the exposure is of order 109 years. Ammoniated salts may be more robust, and laboratory investigations of these compounds […]

Image & Video Library

Join us for a livestream celebration of the 125th anniversary of the historic Clark Refractor! •Lowell Historian Kevin Schindler will discuss famous visitors to the Clark in the past, from […]

Local Hotels, Dining, & Attractions

Embassy Suites is located next to Northern Arizona University and within a mile of historic downtown Flagstaff. Amenities include a seasonal outdoor pool, whirlpool, and fitness center. Enjoy daily free […]

AstroAlert: The Sun like you’ve never seen it before

Hi everyone, The image above might look like something you’d want to consult a dermatologist about, but it’s actually the most detailed image of the Sun ever taken. The new Daniel […]

Cookie Notice

[…] mobile device when you visit a website. Cookies are widely used by website owners in order to make their websites work, or to work more efficiently, as well as to […]

AstroAlert: Katherine Johnson, NASA mathematician who broke barriers, has died

Hi everyone, Sad news: Pioneering NASA mathematician Katherine Johnson died today at the age of 101. Born in West Virginia in 1918, Johnson was fascinated by numbers as a little […]

AstroAlert: New telescope named in honor of astronomer Vera Rubin

Hi everyone, [vcex_spacing size=”10px”] It was announced this week that a major new telescope will be named in honor of trailblazing astronomer Vera Rubin, who died in 2016. [vcex_spacing size=”10px”] […]

Privacy Policy

[…] process your personal information for these purposes in reliance on our legitimate business interests, in order to enter into or perform a contract with you, with your consent, and/or for […]

AstroAlert: One moon wasn’t enough…

Hi everyone, [vcex_spacing size=”10px”] Astronomers have announced the discovery of a previously unknown moon orbiting the Earth. That’s right, our planet now has two moons. This new one has even been given […]

Solar System

AstroAlert: NASA remasters the ‘Pale Blue Dot” photo of Earth

[…] summarized its impact very poetically: Look again at that dot. That’s here. That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every […]

AstroAlert: Biggest black hole in the local universe discovered

Hi everyone, [vcex_spacing size=”10px”] Astronomers have discovered the most massive black hole in the nearby universe and it’s a beast, weighing the equivalent of 40 billion suns. The black hole […]