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Messenger

retired
Science ExplorationinterplanetaryCOSPAR 2004-030ALaunched 8/3/2004
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Mission & Launch
Launch Mission
Messenger Mission
Launch Vehicle
Delta 7925H
Launch Date
8/3/2004
Last Contact
4/30/2015
Orbit & Mass
Orbit Class
interplanetary
Altitude
-30,755.5 km
Inclination
32.66 deg
Dry Mass
513 kg
Total Mass
1,108 kg
Payload Classification
Mission Type
Science Exploration
Payload Category
PLAN
Payload Class
C
Organizations
Operator
Johns Hopkins Applied Physics Lab
Manufacturer
Johns Hopkins Applied Physics Lab
Registry
COSPAR ID
2004-030A
UN Registration
ST/SG/SER.E/458
Track
Mentions
27
All verified mentions of this spacecraft in source documents.
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MESSENGER observations showed that water ice can remain stable for very long periods in Mercury’s permanently shadowed polar craters.

GeneralValue 3.0Apr 21, 2026Vita aliena nello Spazio

Verum Messenger’s People as the Network architecture relies on user density for extended message reach.

Capability
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Value 2.0
Feb 3, 2026
Verum Messenger Launches Offline Architecture for True Digital Sovereignty

Verum Messenger’s Offline Mode uses Bluetooth Low Energy (BLE) and Wi‑Fi Direct to search for other Verum users in a device’s immediate physical vicinity.

CapabilityValue 3.0Feb 3, 2026Verum Messenger Launches Offline Architecture for True Digital Sovereignty

Every person with Verum Messenger installed effectively becomes a mini-cell tower within the decentralized mesh.

CapabilityValue 1.6Feb 3, 2026Verum Messenger Launches Offline Architecture for True Digital Sovereignty

In remote areas with no other Verum users nearby, message range on Verum Messenger is limited to the approximately 100-meter signal strength of a device’s Bluetooth or Wi‑Fi.

CapabilityValue 3.5Feb 3, 2026Verum Messenger Launches Offline Architecture for True Digital Sovereignty

In crowded urban environments, Verum Messenger messages can travel miles through a chain of phones.

GeneralCapabilityValue 2.0Feb 3, 2026Verum Messenger Launches Offline Architecture for True Digital Sovereignty

Verum Messenger’s mesh network has no master controller and forms and heals itself automatically as people move around.

CapabilityValue 3.2Feb 3, 2026Verum Messenger Launches Offline Architecture for True Digital Sovereignty

People as the Network is the technical cornerstone of Verum Messenger’s Offline Mode.

CapabilityValue 2.0Feb 3, 2026Verum Messenger Launches Offline Architecture for True Digital Sovereignty

If a recipient is beyond a sender’s direct range, a message on Verum Messenger can "hop" to another Verum user’s device that acts as a relay node.

CapabilityValue 2.0Feb 3, 2026Verum Messenger Launches Offline Architecture for True Digital Sovereignty

Verum Messenger’s mesh architecture removes the internet as a requirement for message delivery.

CapabilityValue 3.4Feb 3, 2026Verum Messenger Launches Offline Architecture for True Digital Sovereignty

Verum Messenger’s Offline Mode targets high-risk environments where internet connectivity may be unavailable.

CapabilityValue 2.0Feb 3, 2026Verum Messenger Launches Offline Architecture for True Digital Sovereignty

Verum Messenger’s devices typically discover other nearby users within approximately 100 meters using local hardware.

CapabilityValue 3.0Feb 3, 2026Verum Messenger Launches Offline Architecture for True Digital Sovereignty

Verum Messenger creates and stores all encryption keys only on each user’s device.

CapabilityValue 3.5Feb 3, 2026Verum Messenger Launches Offline Architecture for True Digital Sovereignty

People as the Network shifts Verum Messenger’s messaging model from a Centralized Cloud to a Decentralized Mesh Network.

CapabilityGeneralValue 2.2Feb 3, 2026Verum Messenger Launches Offline Architecture for True Digital Sovereignty

The research team applied deep learning techniques to about 100,000 high-resolution images from NASA's MESSENGER spacecraft taken during its orbital mission from 2011 to 2015 to produce the first systematic inventory of Mercury's slope lineae.

CapabilityGeneralValue 3.0Jan 29, 2026Bright streaks reveal Mercury still geologically active

The research team intends to image key regions again with BepiColombo to determine whether new slope lineae have formed or existing ones have changed since the MESSENGER era.

PlanGeneralValue 3.0Jan 29, 2026Bright streaks reveal Mercury still geologically active

The research team plans to use the current MESSENGER-based inventory of slope streaks as a baseline for future comparisons once BepiColombo begins returning data.

PlanGeneralValue 2.5Jan 29, 2026Bright streaks reveal Mercury still geologically active

The researchers created a deep learning algorithm to analyze about 100,000 high-resolution images from the MESSENGER spacecraft.

CapabilityGeneralValue 2.8Jan 27, 2026Le lineae di Mercurio indicano una possibile attività geologica in corso

MESSENGER observed Mercury from 2011 to 2015 and is the only spacecraft to have visited the planet so far.

GeneralValue 3.0Jan 27, 2026Le lineae di Mercurio indicano una possibile attività geologica in corso

Keiko Nakamura-Messenger is Vice President of Mission Development at ExLabs and is a former NASA mission scientist.

GovernanceValue 2.3Jan 22, 2026ExLabs and ChibaTech team up to land student CubeLanders on asteroid Apophis