A diagram depicting the habitable zone boundaries around stars, and how the boundaries are affected by star type. This plot includes Solar System planets (Venus, Earth, and Mars) as well as especially significant exoplanets such as TRAPPIST-1d, Kepler-186f, and our nearest neighbor Proxima Centauri b.
TESS – first light (7 August 2018)
Former logo of Orbital ATK, the company's original name following the merger of Orbital Sciences Corporation and the supoff aerospace division of Alliant Techsystems.
Thermodynamic properties of water depicting the conditions at the surface of the terrestrial planets: Mars is near the triple point, Earth in the liquid; and Venus near the critical point.
The 26 observation sectors of the sky planned for TESS
2016 Oshkosh L-ATV (configured as a Joint Light Tactical Vehicle (JLTV) equipped with EOS R-400S-MK2 remote weapon system integrated with Orbital ATK's M230-LF 30 mm lightweight automatic chain gun.
The range of published estimates for the extent of the Sun's CHZ. The conservative CHZ is indicated by a dark-green band crossing the inner edge of the aphelion of Venus, whereas an extended CHZ, extending to the orbit of the dwarf planet Ceres, is indicated by a light-green band.
Falcon 9 launch vehicle carrying TESS, launching from Space Launch Complex 40 at Cape Canaveral in April 2018.
A product of Orbital ATK: The machine cannon M242 Bushmaster as standard armament of the infantry fighting vehicle M2 Bradley. Orbital ATK holds a trademark on the term "chain gun".
Natural shielding against space weather, such as the magnetosphere depicted in this artistic rendition, may be required for planets to sustain surface water for prolonged periods.
TESS spacecraft before launch
The spacecraft Cygnus transporting cargo to the ISS on behalf of NASA.
Earth's hydrosphere. Water covers 71% of Earth's surface, with the global ocean accounting for 97.3% of the water distribution on Earth.
Animation of Transiting Exoplanet Survey Satellite's trajectory from 18 April 2018 to 18 December 2019 ··
Artist's concept of a planet on an eccentric orbit that passes through the CHZ for only part of its orbit
Planned orbital maneuvers after release from Falcon 9's second stage. Horizontal axis schematically represents longitude relative to the Moon, vertical axis is altitude. A1M = Apogee 1 manoeuvre, P1M = Perigee 1 manoeuvre, etc., TCM = trajectory correction manoeuvre (optional), PAM = period adjustment manoeuvre.
The habitable zone of Gliese 581 compared with the Solar System's habitable zone.
Test image taken before the start of science operations. The image is centered on the constellation Centaurus. In the top right corner the edge of the Coalsack Nebula can be seen, the bright star in the bottom left is Beta Centauri.
A diagram comparing size (artist's impression) and orbital position of planet Kepler-22b within Sun-like star Kepler 22's habitable zone and that of Earth in the Solar System
Exoplanet LHS 3844 b (artist concept)
Comparison of the CHZ position of Earth-radius planet Kepler-186f and the Solar System (17 April 2014)
While larger than Kepler 186f, Kepler-452b's orbit and star are more similar to Earth's.
The discovery of hydrocarbon lakes on Saturn's moon Titan has begun to call into question the carbon chauvinism that underpins CHZ concept.

With TESS, it is possible to study the mass, size, density and orbit of a large cohort of small planets, including a sample of rocky planets in the habitable zones of their host stars.

- Transiting Exoplanet Survey Satellite

Transiting Exoplanet Survey Satellite (TESS), space telescope for NASA

- Northrop Grumman Innovation Systems

These include Space Network and the Jet Propulsion Laboratory's NASA Deep Space Network for command and telemetry, Orbital ATK's Mission Operations Center, Massachusetts Institute of Technology's Payload Operations Center, the Ames Research Center's Science Processing Operations Center, The Goddard Space Flight Center's Flight Dynamics Facility, the Smithsonian Astrophysical Observatory's TESS Science Office, and the Mikulski Archive for Space Telescopes (MAST).

- Transiting Exoplanet Survey Satellite

One of the earliest discoveries by the Transiting Exoplanet Survey Satellite (TESS) announced July 31, 2019 is a Super Earth planet GJ 357 d orbiting the outer edge of a red dwarf 31 light years away.

- Circumstellar habitable zone

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