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Dr. Daniel Barth gives us an overview of and will answer your questions about Lagrange Points in this 35th Episode of How Do You KNOW? https://e...

Dr. Daniel Barth gives us an overview of and will answer your questions about the James Webb Space Telescope in this 34th Episode of How Do You ...

Dr. Daniel Barth returns with the 33rd episode of 'How Do You KNOW?' to discuss the Three Ring Theory that explains the formation of our solar s...

It's estimated that we will colonize Mars by 2050. The challenges to make it happen are daunting.  Dr. Barth touches on some of the problems tha...

In this episode, Dr. Barth discusses the the difference between persuading someone to accept your opinion in an argument and arguing from eviden...

Ultra-diffuse galaxies are generally quenched dwarf galaxies with no gas reservoirs, they are therefore unable to form new stars; as a result, ...

Features High-quality NPL eyepiece with 50° field of vision Good contrast and reduced color aberrations Eye relief: 6.5 mm Connection: 31.7 mm, 1...

Features Very high sharpness and contrast across the entire field of view Almost no color defects due to lanthanum glass Twist-Up eyecup for peop...

“How powerful is that telescope?” is more often than not the first thing out of a person’s mouth when they see a large telescope. To the uniniti...

Features With a large lens diameter, this binocular is especially suitable for observations in the dusk. large field of view, low close focus Twi...

Description Professional Astrophotography without Chromatic Aberration The Vixen Coma Corrector is designed to eliminate coma aberration that ea...

Description Alpen Binocular Tripod Adapter For the outdoor enthusiast who tires of holding binoculars up to the eyes, the Alpen Binocular Tripod A...

Experience a whole new viewing experience, without vibrations and shake out of your free hand! Features One of the lightest binoculars with image...

Features Small travel binoculars, ideal also for eyeglass wearers Waterproof and nitrogen purged / true color images Phase coating for high contr...

Features High magnification binoculars with large light gathering capacity Large field of view of 119 m at 1000m Individually adjustable interpup...

Description You do not have to give up your current mount to enjoy the full benefits of a Telescope Drive Master from Explore Scientific. This sim...

Junior scientists looking to make their first forays into the world of digital microscopy will be inspired by this model's unconventional style and...

The L-eXtreme is a two-band filter and the ideal choice for strong suppression of light pollution. It enables astrophotos of objects with narrow-ba...

Features GoTo mount with computer control Starbook Ten control with high-resolution monitor 272,000 preinstalled celestial objects Standard auto ...

Features Achromatic lens telescope with mount and tripod Applications: Astrophotography, earth observation, moon, planets, nebulae, galaxies Aper...

Description Waterproof Binoculars Don’t Have to be Expensive! Bresser’s waterproof C-Series binoculars come in a versatile selection of sizes from...

For *participants of the 2022 Mount Wilson Observatory Star Party and The Huntington Library, there is an Estate Group Tour option for a 90-minut...

Description Whether you’re looking to delve into the details of our solar system or explore inspiring deep sky treasures, the versatile FirstLight...

Features Rubber eyecups for comfortable viewing reduce stray light Smartphone holder for convenient documentation Long life LED lighting, battery...