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New in the library The PURSUE files The Department of War's UAP release, mirrored in full: the videos, recordings and images, each beside its case file. Browse the release → Documents matching “Earth orbit” 190 records · page 2
p. 3 …17
4.2 Earth Orbit ........................................................................................... 17
4.3 Interplanetary...................................................................................... 18
4.4 Interstellar........................................................................................... 19
Chapter 5: Recent Developments ........................................................................ 21
5… p. 22 …EARTH ORBIT
Space thrusters for orbital insertion and station keeping have been using hydrazine
propellant and, more recently for large… p. 23 …or efficient
transport of cargo between circular solar orbits for Earth -Mars one-way rendezvous
missions. 18
In order to… p. 3 …17
4.2 Earth Orbit ........................................................................................... 17
4.3 Interplanetary ...................................................................................... 18
4.4 Interstellar ........................................................................................... 19
Chapter 5: Recent Developments ........................................................................ 21
5… p. 22 …EARTH ORBIT
Space thrusters for orbital insertion and station keeping have been using hydrazine
propellant and, more recently for large… p. 23 …or efficient
transport of cargo between circular solar orbits for Earth -Mars one-way rendezvous
missions. 18
In order to… p. 17 …Scenario for Possible Applications
Imagine a space station in low-Earth orbit . It is in darkness, its running lights blinking… p. 18 …electricity it will need to get through the orbital "night" of Earth 's shadow and is
becoming stingy about accepting… p. 17 …Scenario for Possible Applications
Imagine a space station in low-Earth orbit . It is in darkness, its running lights blinking… p. 18 …electricity it will need to get through the orbital "night" of Earth 's shadow and is
becoming stingy about accepting… p. 79 …The first attempt to
launch a Venus probe succeeded in orbiting
the earth satellite, Sputnik VII from which
the probe… p. 82 …Manned Earth Orbiting Flight. The So-
viets have now successfully demonstrated
their capability to orbit and recover a manned
earth … p. 83 …Unmanned Earth Orbiting Flight:
15,000-20,000 pounds, low orbit
Military satellites
Communications
Weather surveillance
Force deployment and mapping… 7 more pages mention it p. 6 …Implications for space vehicles in or beyond earth orbit will be addressed.
It is rare today to find an individual… p. 27 …Single Pulse Maximum Permissible Exposure
Vulnerability of Spacecraft to Laser Radiation
Man-made objects in space, whether in earth -orbit … p. 28 …a medium-to-large earth -based laser weapon if the
spacecraft were in earth orbit or by a smaller laser… p. 6 …Implications for space vehicles in or beyond earth orbit will be addressed.
It is rare today to find an individual… p. 27 …Single Pulse Maximum Permissible Exposure
Vulnerability of Spacecraft to Laser Radiation
Man-made objects in space, whether in earth -orbit … p. 28 …a medium-to-large earth -based laser weapon if the
spacecraft were in earth orbit or by a smaller laser… p. 3 …Interestingly, this speed is
comparable to the escape speed from the Earth 's orbit around the Sun, 42 kilometers per… p. 9 …There are a million objects like IMl at any given time within the orbit of the Earth around the Sun… p. 13 …The Earth collides with interstellar objects along its orbit around the Sun. The simplest assumption to
make is that these… p. 3 …15
Lifting of Large Payloads Into Earth Orbit ............................................................ 16
Neutron Entrapment in an Autocatalytic Thermonuclear Detonation Wave - a
Means to… p. 8 …For the launching of the spacecraft into Earth orbit , a very different scheme is
proposed. It requires special materials that… p. 22 …Lifting of Large Payloads Into Earth Orbit
To lift large payloads into Earth orbit remains the most difficult task. For… 2 more pages mention it p. 3 …15
Lifting of Large Payloads Into Earth Orbit ............................................................ 16
Testing the Deuterium Microdetonation Concept .................................................. 20
Conclusion ............................................................................................................ 25
for Thermonuclear Ignition… p. 8 …For the launching of the spacecraft into Earth orbit , a very different scheme is
proposed. It requires special materials that… p. 22 …Lifting of Large Payloads Into Earth Orbit
To lift large payloads into Earth orbit remains the most difficult task. For… 2 more pages mention it p. 24 …to protect
astronauts from weightlessness.
• The Earth return vehicle (ERV) sits in Mars orbit at 250-km periapsis and waits… p. 25 …shielding and engine mass give lower initial mass low Earth orbit for
launch vehicles or faster transits for piloted missions… p. 26 …Every 778 days, two 45,000-kg
payloads are launched from Earth using a Saturn V or equivalent chemical rocket… 1 more page mentions it p. 24 …to protect
astronauts from weightlessness .
• The Earth return vehicle (ERV) sits in Mars orbit at 250-km periapsis and wa… p. 25 …shielding and engine mass give lower initial mass low Earth orbit for
launch vehicles or faster transits for piloted missions… p. 26 …Every 778 days, two 45,000-kg
payloads are launched from Earth using a Saturn V or equivalent chemical rocket… 1 more page mentions it p. 1 …The terrain around the entrance offered no safe
landing spot, so I instructed the pilot to orbit it several times… p. 7 …about twice the size of Jupiter orbiting the star once every 24 earth -years and affecting its motion. If he… p. 1 …Some of these measurements were taken during orbits over oblasts which neighbor p. 6 …A sketch-diagram of the earth and moon's orbit reveals a peculiarity in connection with the appearance, which may… p. 4 …A sketch-diagram of the earth and moon's orbit reveals a peculiarity in connection with the appearance, which may… p. 2 …views of the earth as photographed
from the Earth -orbital Apollo 4 unmanned space mission.
All photos are from NASA… p. 35 …For example, we are capable of launching spacecraft that
can escape Earth ’s orbit —and even escape the Sun’s… p. 6 …This approach adds considerably to the cost of
transporting a pound of payload into earth orbit , regardless of whether an… p. 6 …This approach adds considerably to the cost of
transporting a pound of payload into earth orbit , regardless of whether an… p. 5 …3 Orbital Flight . ............................... ........ 191
10 .4 Reentry .................... . ......................... . 213
11 . 0 EXPERIMENTS
11 . 1 Two-Color Earth -Limb Photography (MSC-10… p. 14 …We certainly got more out of the
orbit than we did when we were just drifting free.
I 'll tell… p. 191 Orbit Navigation Checks was a very good scheme .
The control mode we used was Pulse, and the
timing was just… p. 2 …Indeed, the useful load eliminated in low near-earth orbit makes up only 2 to 4 percent of the initial… p. 2 …1
3.0 POWERED FLIGHT 3-1
4.0 EARTH ORBIT AND SYSTEMS CHECKOUT 4-1
5.0 TLI THROUGH… p. 32 …4.14 COMMENTS ON EARTH -ORBITAL OPERATIONS
ARMSTRONG Any comments on the earth -orbit operations?
COLLINS I think, in general… p. 101 …After a short while you would be able to pick up fairly reasonable lighting coming from the Earth . I don… 4 more pages mention it p. 3 …Speed Ekg(joules/kg) Mission
1 8km/sec $3\times10^{7}$ Orbit , near earth ; period,90.31 years
2 13km… p. 3 …Keeping track of man-made
objects in orbit about the earth is the responsibility of the North American Air Defense… p. 7 …An
illustrated, non-technical explanation of the earth , planets, stars, and the universe. Prepared in co-
operation with the American… …Spin Relaxation Due to Spin-orbit Interaction
The spin-orbit coupling arises from the band structure and is…
…Spin Relaxation Due to Spin-orbit Interaction
The spin-orbit coupling arises from the band structure and is…
p. 20 …00004 "Approximation to Missile Trajectories on a Rotating Earth ," Douglas Aircraft Company Report SM-
19235, May 7, 1956.
00005 "Satellite… p. 21 …00016 "Ephemeral Natural Satellites of the Earth ," Science, 128, 1958, 1211.
00017 "Gravitational and Related Constants for Accurate Space Navigation… p. 22 00037 "Review of Perturbations of Orbits of Artificial Satellites Due to Air Resistance," ARS Journal, July
1960, 703-704, Vol… 3 more pages mention it p. 3 …above them at 40,000 feet,
potentially in low earth orbit or in the grey zone below the Karman line… p. 3 …above them at 40,000 feet,
potentially in low earth orbit or in the grey zone below the Karman line… p. 11 …of the Starlink and other mega-constellations in low
earth orbit .
In many other cases, birds are commonly misidentified as… p. 11 …of the Starlink and other mega-constellations in low
earth orbit .
In many other cases, birds are commonly misidentified as… p. 5 …THIS OBJECT APPEARED TO COME TO REST GENTLY ON THE EARTH AND CAST A VERY BRIGHT LIGHT OVER AN AREA… p. 5 …address themselves to the reported sightings by astronauts
during Earth orbital and lunar missions and the report by
Presice~t… p. 5 …THIS OBJECT APPEARED TO COME TO REST GENTLY ON THE EARTH AND CAST A VERY BRIGHT LIGHT OVER AN AREA… p. 5 …THIS OBJECT APPEARED TO COME TO REST GENTLY ON THE EARTH AND CAST A VERY BRIGHT LIGHT OVER AN AREA… p. 5 …THIS OBJECT APPEARED TO COME TO REST GENTLY ON THE EARTH AND CAST A VERY BRIGHT LIGHT OVER AN AREA… p. 7 …The spheres closely rotated around the disc as the outer system diminished in size, gradually leaving the Earth some 15… p. 11 …of the Starlink and other mega-constellations in low
earth orbit .
In many other cases, birds are commonly misidentified as… p. 6 …THIS OBJECT APPEARED TO COME TO REST GENTLY ON THE EARTH AND CAST A VERY BRIGHT LIGHT OVER AN AREA… …On
Earth there is air or water to push against. But a rocket in space has no
material…
…On
Earth there is air or water to push against. But a rocket in space has no
material…
p. 10 …RUDIMENTARY "RE-ENTRY SHIELD" IF EJECTION OCCURS IN LOW EARTH ORBIT , WITH THE EJECTION SEATS BEING DEPLOYED SEQUENTIALLY BELOW 15… p. 11 …RUDIMENTARY "RE-ENTRY SHIELD" IF EJECTION OCCURS IN LOW EARTH ORBIT , WITH THE EJECTION SEATS BEING DEPLOYED SEQUENTIALLY BELOW 15… p. 5 …Flight Test Missile
GBI Ground Based Interceptor
GEOS Geodetic Earth Orbiting Satellite
GEOSAT Geodetic Satellite (Navy)
GFO Geosat Follow-on… p. 6 ## KOMPSAT Korea Multi-Purpose Satellite
LAGEOS Laser Geodynamic Satellite
LANDSAT Earth Resources Satellite
LBRV Large Ballistic Reentry Vehicle (See ABRV… p. 8 SPACEPROBE Non-orbital space operations
ST Special Test
STEX Space Technology Experiment
STM Special Test Missile
STP Special Test Program… p. 19 …magnetosphere , and
for observations of cosmic y- rays in earth - orbiting Apollo vehicles .
With warm regards ,
Sincerely,
J.><urice 1… p. 51 …One satellite is orbiting about 400 miles out while the other track is 600 miles from the earth . Pentagon thought… p. 42 …One satellite is orbiting about 400 miles out while the other track is
600 miles from the earth . Pentagon thought… …by others like him who had travelled to earth .
“One of our more unusual UFO reports” noted a…
p. 140 …We went around the earth in the HORIZON SCAN mode once with
the HF transmitter on, and I wonder i… p. 2 …This object appeared
to come to rest gently on the earth and
cast a very bright light over an area…