SunCalc is an online application for showing the movement of the sun and sunlight phases for a selected day and place. It displays sunrise, sunset, shadow length, solar eclipse, sun position and elevation on an interactive map, and includes reverse calculation and photovoltaic data.
MoonCalc is a browser application that shows the motion of the Moon and its phase for a selected day and location. It displays moonrise, moonset and selected-time moon positions, with a yellow curve showing the Moon's trajectory and a time slider for moonlight during the day. It also offers a moon calendar and reverse calculation from altitude and azimuth.
An interactive map showing about 200,000 galaxies with their actual position and color, from the Milky Way to the edge of the observable Universe. It was created from 15 years of Sloan Digital Sky Survey data by B. Ménard and N. Shtarkman at Johns Hopkins University. The visualization shows a thin slice of the Universe about 10 degrees thick.
Orbiter Forum is a discussion board for Orbiter, a space flight simulator, and for spaceflight topics. Sections cover Orbiter development, addon development and requests, general questions and help, and spaceflight news. A help section addresses installing and running Orbiter and common troubleshooting issues.
A site that lets visitors watch, listen to and relive the Apollo 11 lunar landing minute-by-minute as experienced by the crew and Mission Control. It was produced by Thamtech, LLC.
NSF - NASASpaceflight.com is an account for news, videos and a community aimed at spaceflight enthusiasts, active since 2005. It is described as the official account of NSF and states that NSF is not affiliated with NASA, whose initials are used with permission.
Anatoly Zak is an author, journalist and illustrator, described as the author of Russia in Space. The account lists clients including Popular Mechanics, Aviation Week, Air & Space Smithsonian and Aerospace America, and is associated with RussianSpaceWeb.com.
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MoonCalc is a browser application that shows the motion of the Moon and its phase for a selected day and location. It displays moonrise, moonset and selected-time moon positions, with a yellow curve showing the Moon's trajectory and a time slider for moonlight during the day. It also offers a moon calendar and reverse calculation from altitude and azimuth.
An interactive map showing about 200,000 galaxies with their actual position and color, from the Milky Way to the edge of the observable Universe. It was created from 15 years of Sloan Digital Sky Survey data by B. Ménard and N. Shtarkman at Johns Hopkins University. The visualization shows a thin slice of the Universe about 10 degrees thick.
Orbiter Forum is a discussion board for Orbiter, a space flight simulator, and for spaceflight topics. Sections cover Orbiter development, addon development and requests, general questions and help, and spaceflight news. A help section addresses installing and running Orbiter and common troubleshooting issues.
A site that lets visitors watch, listen to and relive the Apollo 11 lunar landing minute-by-minute as experienced by the crew and Mission Control. It was produced by Thamtech, LLC.
NSF - NASASpaceflight.com is an account for news, videos and a community aimed at spaceflight enthusiasts, active since 2005. It is described as the official account of NSF and states that NSF is not affiliated with NASA, whose initials are used with permission.
Anatoly Zak is an author, journalist and illustrator, described as the author of Russia in Space. The account lists clients including Popular Mechanics, Aviation Week, Air & Space Smithsonian and Aerospace America, and is associated with RussianSpaceWeb.com.
