# \#transit
**URL:** https://scanalyst.fourmilab.ch/tag/transit/88.md
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## [Perseverance Rover Images Solar Eclipse by Phobos on Mars](https://scanalyst.fourmilab.ch/t/perseverance-rover-images-solar-eclipse-by-phobos-on-mars/1234)
**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 1\
**Last updated:** [19 June 2024 01:05 UTC](https://scanalyst.fourmilab.ch/t/perseverance-rover-images-solar-eclipse-by-phobos-on-mars/1234 "2024-06-19T01:05:18Z")
NASA Mars rover Perseverance observed an eclipse (or more properly, transit) of Mars’s innermost and larger moon Phobos across the Sun. This is not the first time such an event has been imaged from the Mar…
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## [International Space Station Transits the Full Moon](https://scanalyst.fourmilab.ch/t/international-space-station-transits-the-full-moon/2581)
**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 0\
**Last updated:** [9 January 2023 14:06 UTC](https://scanalyst.fourmilab.ch/t/international-space-station-transits-the-full-moon/2581 "2023-01-09T14:06:32Z")
The International Space Station was imaged transiting the full Moon at 02:59 UTC on 2023-01-07 from New Port Richey, Florida, with a Nikon P1000 camera.
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## [Before GPS—The Navy Navigation Satellite System](https://scanalyst.fourmilab.ch/t/before-gps-the-navy-navigation-satellite-system/112)
**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 0\
**Last updated:** [15 October 2021 11:40 UTC](https://scanalyst.fourmilab.ch/t/before-gps-the-navy-navigation-satellite-system/112 "2021-10-15T11:40:18Z")
This 1967 U.S. Navy training film describes the Transit satellite navigation system, which went into service in 1964, providing global coverage with position fixes every several hours at the equator and mor…