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  2. Timeline of space exploration - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_space_exploration

    This is a timeline of space exploration which includes notable achievements, first accomplishments and milestones in humanity's exploration of outer space. This timeline generally does not distinguish achievements by a specific country or private company, as it considers humanity as a whole.

  3. Timeline of Solar System exploration - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_Solar_System...

    This is a timeline of Solar System exploration ordering events in the exploration of the Solar System by date of spacecraft launch. It includes: It includes: All spacecraft that have left Earth orbit for the purposes of Solar System exploration (or were launched with that intention but failed), including lunar probes .

  4. List of mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_mnemonics

    The order of flats is B♭, E♭, A♭, D♭, G♭, C♭, and F♭ (reverse order of sharps), which can be remembered using the phrase: Battle Ends And Down Goes Charles' Father; Blanket Exploded And Dad Got Cold Feet. [47] Before Eating A Doughnut Get Coffee First. To remember the difference between the whole rest and the half rest:

  5. List of physics mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_physics_mnemonics

    A Magic Triangle image mnemonic - when the terms of Ohm's law are arranged in this configuration, covering the unknown gives the formula in terms of the remaining parameters. It can be adapted to similar equations e.g. F = ma, v = fλ, E = mcΔT, V = π r 2 h and τ = rF sinθ.

  6. Event (relativity) - Wikipedia

    en.wikipedia.org/wiki/Event_(relativity)

    An event contributes to the occurrence of events in its causal future. Upon choosing a frame of reference, one can assign coordinates to the event: three spatial coordinates x → = ( x , y , z ) {\displaystyle {\vec {x}}=(x,y,z)} to describe the location and one time coordinate t {\displaystyle t} to specify the moment at which the event occurs.

  7. Study documents headaches experienced by astronauts in space

    www.aol.com/news/study-documents-headaches...

    The study involved 24 astronauts from the U.S., European and Japanese space agencies who traveled aboard the International Space Station for up to 26 weeks. Study documents headaches experienced ...

  8. List of astronomy acronyms - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomy_acronyms

    LSST – (observing program) Legacy Survey of Space and Time, the main survey carried out by the Vera C. Rubin Observatory; LST – (astrophysics terminology) local sidereal time, the right ascension that is currently at the zenith; LT – (telescope) Liverpool Telescope

  9. Remember those Starliner astronauts still in space? Don’t ...

    www.aol.com/remember-those-starliner-astronauts...

    The process hasn’t changed much in the years since. Mir was decommissioned and de-orbited in 2001 to make way for the International Space Station, which now serves as the polling place for ...